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Racial Peer Effects at Work

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Katharina Fietz examines how working with same-race coworkers influences employee retention within firms. Using employer-employee administrative data from Brazil, the research leverages unexpected deaths of workers from different racial backgrounds as natural shocks to peer group composition.

Image courtesy of interviewee. October 7, 2024

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The study examines racial peer effects in Brazil and their influence on racial segregation in labor markets. It highlights significant disparities, revealing that 80% of white workers have white colleagues, while non-white workers have only about 50% white coworkers. This video “homophilic preference” for working with similar peers can lead non-white workers to leave jobs when the racial composition of their peer group changes, particularly after the unexpected death of a colleague.

The research focuses on what happens post-hire, analyzing how changes in peer group racial composition affect employee retention, drawing a distinction between voluntary quits and employer-initiated layoffs. Key findings indicate that non-white workers are more likely to quit after a non-white coworker dies, revealing that their response to changes in racial composition is more pronounced than that of white coworkers.

Moreover, the study considers various factors impacting these dynamics, including occupational roles and the presence of teamwork, which can mitigate negative retention effects by fostering closer interactions regardless of racial differences.

Overall, the results suggest that coworker composition plays a significant role in employee retention and labor market behavior, and the study highlights the necessity for policies promoting workplace diversity to consider not just hiring practices but also the interaction dynamics post-hiring to address racial inequalities effectively.

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Here are five key points from the video:

1. **Racial Peer Effects and Job Retention**: The study investigates how changes in the racial composition of a worker's peer group affect their likelihood of remaining in their current job. It finds that non-white workers are more likely to leave their jobs after the death of a non-white colleague, indicating a preference for racially similar peers and suggesting that such dynamics contribute to racial segregation in the workplace.

2. **Focus on Post-Hiring Dynamics**: Unlike many studies that analyze racial bias in hiring practices, this research emphasizes the consequences of peer group composition after hiring. It differentiates between voluntary quits (employees choosing to leave) and involuntary layoffs (employer decisions), highlighting that the observed retention effects primarily result from worker-initiated quits.

3. **Methodology and Data Use**: The study employs a unique identification strategy involving the unexpected deaths of employees to assess the impact on peer group composition. It uses matched employer-employee records from Brazil, covering various sectors and representing a significant portion of the workforce, thus providing a broader understanding of peer effects in a middle-income country convideo.

4. **Findings on Racial Composition and Job Characteristics**: The results reveal that the death of a non-white coworker results in a significant decrease in the non-white share of the peer group and affects retention, particularly in white-collar jobs, while the effects are weaker in blue-collar occupations and jobs that require more teamwork.

5. **Implications for Diversity Policies**: The study contributes to understanding racial segregation in labor markets, emphasizing that policies promoting workplace diversity should address not only hiring discrimination but also post-hiring peer dynamics. It suggests future research should explore firm policies on staffing and promotions to mitigate the racial peer effects that perpetuate inequalities.

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Here are some key quotes and paraphrased key points from the video:

1. **Racial Peer Effects and Segregation**:
- "Our study extends racial peer effects in Brazil and how they might drive racial segregation."
- "In Brazil, 80% of white workers' colleagues are also white, while non-white workers have only about 50% of white colleagues..."

2. **Homophilic Preferences**:
- "Social science theories suggest that people have homophilic preferences... they prefer others who are like themselves."
- "Similar attraction can lead to preferences for working with demographically similar peers."

3. **Focus of Research**:
- "We focus on what happens after the hiring process... how employees react to changes in the racial composition of their peer group."

4. **Key Question**:
- "We posed at the outset... do workers prefer to work with coworkers who are racially similar to themselves?"

5. **Impact on Turnover**:
- "A higher share of white peers increases the turnover of black women."
- "Non-white workers are significantly more likely to leave their job after the death of a non-white coworker compared to when a white coworker dies."

6. **Labor Supply Dynamics**:
- "Observed effects are driven completely by employee-initiated quits rather than employer-initiated layoffs... suggesting a labor supply response instead of a labor demand effect."

7. **Racial Inequality**:
- "Racial inequality is substantial. Non-white workers earn on average 30 to 35% less than white workers."

8. **Study Convideo**:
- "Data comes from matched employer-employee records for formal dependent employees in Brazil, covering years from 2006 to 2021."

9. **Peer Group Changes**:
- "When a non-white worker dies, the non-white share of this peer group drops significantly by almost 20 percentage points."

10. **Teamwork and Diversity**:
- "Racial peer effects are more pronounced in higher-skilled occupations... teamwork can offset the negative effects of racial segregation."

11. **Gender Dimension**:
- "The groups more strongly affected are non-white females... retention is affected by both the racial and the gender composition of their coworkers."

12. **Policy Implications**:
- "Our findings highlight significant heterogeneities and the effect of racial peer group composition... underscoring the importance of post-hiring dynamics in shaping labor market outcomes for non-white and white workers."

These quotes capture the essence of the study, highlighting the connections between racial peer group composition, employee dynamics, turnover, and broader implications for workplace diversity and racial segregation.

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Here are some articles that discuss similar themes of racial peer effects, workplace dynamics, racial segregation, and labor market outcomes. Each entry includes a brief summary to highlight its relevance.

1. **"The Impact of Racial Diversity on the Workplace: A Review of the Literature"**
- This article reviews existing literature on how racial diversity in the workplace affects employee performance, job satisfaction, and turnover rates. It discusses both the positive and negative consequences of workplace diversity and links to the concept of peer effects similar to those in your study.

2. **"Homophily in the Workplace: Implications for Recruitment and Retention"**
- This research focuses on the tendency of individuals to associate with similar others in organizational settings, or homophily, which extends into how recruitment strategies may perpetuate racial segregation. It provides insights into how employee preferences can affect hiring and retention, echoing your findings about the effects of peer dynamics.

3. **"Racial Segregation in Labor Markets: Trends and Implications"**
- This article explores the historical and contemporary patterns of racial segregation in various labor markets. It includes analyses of how segregation impacts economic outcomes for different racial groups and draws parallels to your findings on earnings disparities and preferences for similar peers.

4. **"Peer Effects in Employment: Evidence from Youth Employment Programs"**
- A study investigating peer effects in youth employment programs, detailing how the racial composition of peer groups influences employment outcomes and job retention. This aligns with your focus on how changes in peer composition affect job marketing dynamics.

5. **"Demographic Composition and Employee Turnover: Evidence from Large Corporations"**
- This paper examines how the demographic makeup of work teams affects turnover rates. The findings support the notion that employees with fewer similar peers are more likely to leave, resonating with your emphasis on quitting versus layoffs as a response to racial composition changes.

6. **"The Role of Workplace Diversity in Employee Engagement and Retention"**
- This article discusses the relationship between workplace diversity and employee engagement, focusing on how greater representation can result in higher retention rates, particularly for underrepresented minorities. It complements your study by examining workplace dynamics post-hiring.

7. **"The Effects of Racial Diversity on Employee Turnover in Professional Services Firms"**
- Exploring the effects of racial diversity in professional service settings, this study specifically addresses how racial composition influences turnover. Findings align closely with your results regarding the differing impacts of peer racial composition.

8. **"Employment Dynamics and Racial Disparities in the Labor Market"**
- This article provides an overview of employment dynamics and how they exacerbate racial disparities in the labor market. Drawing from various studies, it discusses how racial minority workers face different challenges in job retention and advancement.

9. **"Cross-Race Interactions and Employee Performance: A Meta-Analysis"**
- A meta-analysis that looks at how cross-race interactions within workplaces affect overall employee performance and job satisfaction. This research complements the peer dynamics explored in your study and delves into communication and cooperation barriers.

10. **"The Role of Diversity in Job Satisfaction and Employee Quits: A Multinational Examination"**
- A multinational study that explores how diversity impacts job satisfaction and employee retention rates across various countries. This research parallels your focus on the importance of racial peer composition and its effects on quitting behavior.

These articles can provide valuable convideo, evidence, and differing perspectives related to your topic of study on racial peer effects, workplace dynamics, and the ways in which these factors contribute to labor market outcomes.

X-TIMESTAMP-MAP=LOCAL:00:00:00.000,MPEGTS:90000

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Our study extends racial peer effects in Brazil

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and how they might drive racial segregation.

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And racial segregation is evident in many labor markets,

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including Brazil, which serves as the context of our study.

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For example, in Brazil, 80%

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of white workers colleagues are also white.

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While non-white workers have only about 50%

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of white colleagues and several social science theories

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suggest that people have homophilic preferences.

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In other words, they prefer others who are like themselves.

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For example. Similar attraction can lead to preferences

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for working with demographically similar peers.

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While social categorization can also result in lower levels

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of cooperation and communication within groups

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who share fewer similarities,

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thereby a decrease in the presence

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of racial similar peers may lower job certification

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and make workers look for a different job.

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And large part of the

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existing literature primarily focus on the hiring process,

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asking questions like, are managers more likely

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to hire workers who are, who share characteristics

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as the manager who hires?

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And those questions mostly concern the labor demand side.

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So really what employers seek

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and demand when hiring a worker.

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In our study, however, my co-author Osher,

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from the University of Potsdam and I focus on what happens

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after the hiring process.

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Specifically, we examine how employees react

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to changes in the racial composition of their peer group,

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particular in terms of the likelihood

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of remaining in their current job.

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Um, this approach allows us

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to explore the labor supply side employees behavior

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after changes we can distinguish between quits,

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which reflect employees active decision to leave

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and layoffs which are initiated by the employer.

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So basically the key question we posed at the outset

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of this project was, do employees prefer to work

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with coworkers who are racially similar to themselves?

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We analyze the impact

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of an unexpected change in the racial composition

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of peer groups on workers' likelihood

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of staying at the firm.

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Probably the most relevant body of work

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for us is the literature on peer effects in the workplace.

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And most of the economic literature actually focus on

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focuses on skills and productivity of workers

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and their impact on peers.

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For example, how does working with a more productive

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or less productive colleague affect other employees?

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It's more the interdisciplinary research

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that looks at the impact

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of demographic similarities in peer groups, often finding

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that groups with higher levels

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of similarity experience less turnover.

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For our study, probably the most relevant work is from Lenos

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and co-authors from 2024

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who analyze random team assignment in a

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High wage US professional service firm

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and find that a higher share of white peers

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increases the turnover of black women.

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And most studies on demographic composition

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and its effect on coworkers, focus on single firm settings

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and mostly in high income countries.

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So we see our study introducing a novelty

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by examining the causal effect

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of peer group composition across a large set

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of firms in a middle income country, Brazil,

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and across different sectors and location.

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But we also see ourself contributed

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to the literature on cross race interaction

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and racial segregation in various social contexts.

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For example, the literature

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that tests the so-called white flag hypothesis.

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For example, how do housing

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and school choice decisions of whites are affected

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by the presence of blacks?

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While we extend the literature by focusing on the workplace,

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we also added by focusing not only on the majority group,

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but analyzing also how the minority group responds

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to changes in cross race exposure.

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And finally, we also see ourself contributing

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to the literature on racial racial preferences

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and discrimination in the labor market.

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I already mentioned

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that many scholars focus on discrimination in the hiring

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process of different, of different managers.

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And if different managers have preferences to hire white

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or non-white workers, if they also are white or non-white.

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We, however, in our study,

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focus on the post hiring stage looking at worker separation,

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especially quits

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and how those quits respond to respond

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to changes in racial composition of coworkers.

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Racial inequality is substantial.

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In Brazil, for instance,

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non-white workers earn on average 30

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to 35% less than white workers.

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And even after accounting

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for differences in education and occupation.

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Those disparities persist due

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to differences in wage settings, practices and hiring.

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And probably we also need

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to mention a few words on the racial notion in Brazil.

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Brazil's official statistics classifies race into five

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different categories.

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Barranco for white, creto for black, pado for brown,

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Amarillo for yellow, and indigenous for indigenous.

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In our study, we combine creto and pado, so black

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and brown into one category called non-white.

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And together with the category wide, we

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therefore capture 99% of the population.

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Our data comes from matched employer employee records

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for formal dependent employees in Brazil,

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and we use the years from 2006 to 2021.

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This data set, which is called ice,

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includes information about workers' race, occupation,

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contract type, and

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how their contracts were terminated, for example, through

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Quits or through layoffs.

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And it is important

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to mention Brazil separation regulations.

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Workers that are laid off are eligible

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for certain benefits like unemployment, insurance

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and severance payment provided

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that they meet certain workers store,

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history requirements.

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Of course, however, these benefits are not available

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to workers who actively quit their job.

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This distinction is important in our setting

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because our study D differentiates

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between quits and layoffs.

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So really quits are the results

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of employees actively choosing to leave their job

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bearing the financial consequences of this decision.

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So now to test whether workers prefer to work with others

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who are more alike, we look at

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how workers react when their racial peer group composition

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suddenly changes and to exploit,

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exploit exogenous changes in the racial

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peer group composition.

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We focus on the unexpected death of workers.

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We compare two peer groups

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that have the same initial non-white share.

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Let's say for example,

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both peer groups have a non-white share of 30%,

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and in one peer group a non-white worker dies.

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And in another one, a white worker dies.

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By only comparing peer groups

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with the same initial non-white share, we see

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that the remaining in-car characteristics do not predict the

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race of the deceased worker.

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In other words, we have two groups in both peer groups.

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One worker dies

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and the race of the deceased worker can be taken as random.

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We therefore have a credible identification strategy to see

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what effect causes this change in the racial coworker

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composition on the retention

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of the remaining income and workers.

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And while we do several sample restrictions in order

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to ensure the credibility of our results,

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I want to highlight two.

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First, we only exclude death that are not related

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to workplace accidents.

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Since such incidents could influence coworkers feelings

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of job safety, for example.

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And second, we only focus on small peer groups that have no,

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not more than 30 workers.

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As the loss of only one worker in a larger group would not

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create a noticeable change in a peer group composition,

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we then use cross-sectional regressions

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to analyze retention effects during the year of the death

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and the three following years

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before we come to the main effect,

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which will be the effect on retention.

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I want to talk about the effect on the non-white share.

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So we assess whether the death of a non-white worker leads

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to lasting change in the racial composition of a peer group.

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We find that when a non-white worker dies,

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the non-white share of this peer group dropped significantly

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by almost 20 percentage points in the year of the death.

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And also over the following three years,

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the non-white share only recovers slowly remaining about 11

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percentage points lower than before.

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With that in mind, coming to our key findings that are

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that non-white income

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and workers are significantly more likely to leave their job

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after the death, death of a non-white coworker compared

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to when a white coworker dies.

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White coworkers on the other hand do not have similar

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response to changes in the racial composition.

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So those results highlight

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that peer effects are not symmetric across racial groups

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and that non-white workers are more strongly affected

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by the racial composition of the peers than white workers.

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And then in the paper, we try

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to shed light on the mechanisms.

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First, we find

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that the observed effects are driven completely

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by employee initiated quits rather than employer initiated

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layoffs suggesting a labor supply response instead

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of a labor demand effect.

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Second, we track workers

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after they separate from the initial firms for the subset

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of workers who start a new final job in the same year

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or the year following.

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After the separation, we compare the characteristics

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of the old and the new job.

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We find that those non-white workers

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that experience the death of a non-white peer move

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to a new job that feature a higher non-white

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share than the old job.

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So overall, those results suggest are a consistent

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with the idea of homophilic preferences for working

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with more same race peer,

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that drive the initial separation of non-white workers.

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And finally, we also look at different heterogeneities.

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First, we find

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that the effects are only present in white color occupations

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and not in blue color occupations patients.

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And in addition, we see that the effects are weaker in jobs

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that involve more teamwork.

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We draw two lessons from that.

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First, it seems

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that racial peer effects are more pronounced in higher

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income settings, which is by the way, in line with the fact

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that our average effects are smaller than the average

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effects found in high income settings,

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for example, in the us.

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And second, the teamwork Heterogeneities suggests

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that teamwork can kind of offset the negative effects

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of neuro retention, meaning

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that if workers have closer interaction,

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the racial coworker composition becomes less important.

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And this finding is consistent with the contact hypothesis

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that predicts lower racial biases when group

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members frequently interact.

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Additionally, we also look at, differences

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by the time the DCS

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and the income workers have worked together, we find

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that the negative retention effects are largest

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and only significant

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where the income has less tenure alongside the

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deceased worker in the firm.

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Those results are consistent

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with the previous mentioned heterogeneity on

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occupation and teamwork.

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As workers interact more with each other,

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their ties become less racially segregated

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and thereby they, thereby they're less likely to respond

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to whether the departing workers of the same

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or of a different race.

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So all of the results above suggest that people tend

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to have preferences to work with peers

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that are more alike like them.

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However, that those effects can be reduced

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to a higher degree of interaction with teams and the paper.

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Then we also look at the gender dimension

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and how the loss of a female versus a male worker affects

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retention as well.

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How the loss of a non-white female versus a non-white male

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affects retention.

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Without going into too much detail here, we see

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that the groups more strongly affected

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are non-white females.

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Their retention is affected by both the racial

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and the gender composition of their coworkers.

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Our study shows that when experiencing a decline in the

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presence of same race colleagues,

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non-white workers are more likely to quit their job.

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And this effect appears to be driven

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by non-white workers homophilic preferences for working

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with same race peers.

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Together our results highlight

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how coworker preferences can generate post hiring peer

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dynamics that amplify racial segregation across workplaces.

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Our findings also highlight significant heterogeneities

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and the effect of racial peer group composition.

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So studying only a small subset of firms

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or bundling different race

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and gender groups together may not provide a full picture

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of peer effects in the workplace.

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The results therefore underscore the importance

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of post hiring dynamics in shaping labor market outcomes

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for non-white and white workers.

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So policy aimed at promoting diversity, for example,

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should not only focus on eliminating discrimination in the

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hiring, but also considering coworker interaction

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after hiring and future research could probably examine the

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role of firm staffing and promotion policies

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and reducing peer effects

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that accelerate racial inequalities.

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Our findings, for example, suggest

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that forcing stronger entrepreneur interpersonal

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00:14:13.355 --> 00:14:17.085
relationships within teams could reduce racial biases in the

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workplace.

Racial Peer Effects and Workplace Segregation in Brazil

00:00:00 - Our study extends racial peer effects in Brazil and how they might drive racial segregation. And racial segregation is evident in many labor markets, including Brazil, which serves as the context of our study. For example, in Brazil, 80% of white workers colleagues are also white. While non-white workers have only about 50% of white colleagues and several social science theories suggest that people have homophilic preferences. In other words, they prefer others who are like themselves. For example. Similar attraction can lead to preferences for working with demographically similar peers.

00:00:44 - of cooperation and communication within groups who share fewer similarities, thereby a decrease in the presence of racial similar peers may lower job certification and make workers look for a different job. And large part of the existing literature primarily focus on the hiring process, asking questions like, are managers more likely to hire workers who are, who share characteristics as the manager who hires? And those questions mostly concern the labor demand side. So really what employers seek and demand when hiring a worker.

00:01:25 - from the University of Potsdam and I focus on what happens after the hiring process. Specifically, we examine how employees react to changes in the racial composition of their peer group, particular in terms of the likelihood of remaining in their current job. this approach allows us to explore the labor supply side employees behavior after changes we can distinguish between quits, which reflect employees active decision to leave and layoffs which are initiated by the employer. So basically the key question we posed at the outset

00:02:05 - with coworkers who are racially similar to themselves? We analyze the impact of an unexpected change in the racial composition of peer groups on workers' likelihood of staying at the firm. Probably the most relevant body of work for us is the literature on peer effects in the workplace. And most of the economic literature actually focus on focuses on skills and productivity of workers and their impact on peers. For example, how does working with a more productive or less productive colleague affect other employees? It's more the interdisciplinary research that looks at the impact of demographic similarities in peer groups, often finding

00:02:46 - of similarity experience less turnover. For our study, probably the most relevant work is from Lenos and co-authors from 2024 who analyze random team assignment in a High wage US professional service firm and find that a higher share of white peers increases the turnover of black women. And most studies on demographic composition and its effect on coworkers, focus on single firm settings and mostly in high income countries. So we see our study introducing a novelty by examining the causal effect of peer group composition across a large set

00:03:29 - and across different sectors and location. But we also see ourself contributed to the literature on cross race interaction and racial segregation in various social contexts. For example, the literature that tests the so-called white flag hypothesis. For example, how do housing and school choice decisions of whites are affected by the presence of blacks? While we extend the literature by focusing on the workplace, we also added by focusing not only on the majority group, but analyzing also how the minority group responds to changes in cross race exposure.

Post-Hiring Racial Dynamics in Brazilian Labor Markets

00:04:09 - to the literature on racial racial preferences and discrimination in the labor market. I already mentioned that many scholars focus on discrimination in the hiring process of different, of different managers. And if different managers have preferences to hire white or non-white workers, if they also are white or non-white. We, however, in our study, focus on the post hiring stage looking at worker separation, especially quits and how those quits respond to respond to changes in racial composition of coworkers. Racial inequality is substantial.

00:04:48 - non-white workers earn on average 30 to 35% less than white workers. And even after accounting for differences in education and occupation. Those disparities persist due to differences in wage settings, practices and hiring. And probably we also need to mention a few words on the racial notion in Brazil. Brazil's official statistics classifies race into five different categories. Barranco for white, creto for black, pado for brown, Amarillo for yellow, and indigenous for indigenous. In our study, we combine creto and pado, so black and brown into one category called non-white.

00:05:32 - therefore capture 99% of the population. Our data comes from matched employer employee records for formal dependent employees in Brazil, and we use the years from 2006 to 2021. This data set, which is called ice, includes information about workers' race, occupation, contract type, and how their contracts were terminated, for example, through Quits or through layoffs. And it is important to mention Brazil separation regulations. Workers that are laid off are eligible for certain benefits like unemployment, insurance and severance payment provided

00:06:13 - history requirements. Of course, however, these benefits are not available to workers who actively quit their job. This distinction is important in our setting because our study D differentiates between quits and layoffs. So really quits are the results of employees actively choosing to leave their job bearing the financial consequences of this decision. So now to test whether workers prefer to work with others who are more alike, we look at how workers react when their racial peer group composition suddenly changes and to exploit,

00:06:54 - peer group composition. We focus on the unexpected death of workers. We compare two peer groups that have the same initial non-white share. Let's say for example, both peer groups have a non-white share of 30%, and in one peer group a non-white worker dies. And in another one, a white worker dies. By only comparing peer groups with the same initial non-white share, we see that the remaining in-car characteristics do not predict the race of the deceased worker. In other words, we have two groups in both peer groups. One worker dies and the race of the deceased worker can be taken as random.

00:07:39 - what effect causes this change in the racial coworker composition on the retention of the remaining income and workers. And while we do several sample restrictions in order to ensure the credibility of our results, I want to highlight two. First, we only exclude death that are not related to workplace accidents. Since such incidents could influence coworkers feelings of job safety, for example. And second, we only focus on small peer groups that have no, not more than 30 workers. As the loss of only one worker in a larger group would not

Impact of Non-White Peer Death on Racial Composition and Worker Retention

00:08:21 - we then use cross-sectional regressions to analyze retention effects during the year of the death and the three following years before we come to the main effect, which will be the effect on retention. I want to talk about the effect on the non-white share. So we assess whether the death of a non-white worker leads to lasting change in the racial composition of a peer group. We find that when a non-white worker dies, the non-white share of this peer group dropped significantly by almost 20 percentage points in the year of the death. And also over the following three years,

00:09:01 - percentage points lower than before. With that in mind, coming to our key findings that are that non-white income and workers are significantly more likely to leave their job after the death, death of a non-white coworker compared to when a white coworker dies. White coworkers on the other hand do not have similar response to changes in the racial composition. So those results highlight that peer effects are not symmetric across racial groups and that non-white workers are more strongly affected by the racial composition of the peers than white workers.

00:09:41 - to shed light on the mechanisms. First, we find that the observed effects are driven completely by employee initiated quits rather than employer initiated layoffs suggesting a labor supply response instead of a labor demand effect. Second, we track workers after they separate from the initial firms for the subset of workers who start a new final job in the same year or the year following. After the separation, we compare the characteristics of the old and the new job. We find that those non-white workers that experience the death of a non-white peer move

00:10:24 - share than the old job. So overall, those results suggest are a consistent with the idea of homophilic preferences for working with more same race peer, that drive the initial separation of non-white workers. And finally, we also look at different heterogeneities. First, we find that the effects are only present in white color occupations and not in blue color occupations patients. And in addition, we see that the effects are weaker in jobs that involve more teamwork. We draw two lessons from that. First, it seems that racial peer effects are more pronounced in higher

00:11:06 - that our average effects are smaller than the average effects found in high income settings, for example, in the us. And second, the teamwork Heterogeneities suggests that teamwork can kind of offset the negative effects of neuro retention, meaning that if workers have closer interaction, the racial coworker composition becomes less important. And this finding is consistent with the contact hypothesis that predicts lower racial biases when group members frequently interact. Additionally, we also look at, differences by the time the DCS and the income workers have worked together, we find

00:11:49 - and only significant where the income has less tenure alongside the deceased worker in the firm. Those results are consistent with the previous mentioned heterogeneity on occupation and teamwork. As workers interact more with each other, their ties become less racially segregated and thereby they, thereby they're less likely to respond to whether the departing workers of the same or of a different race. So all of the results above suggest that people tend to have preferences to work with peers that are more alike like them. However, that those effects can be reduced

Gender and Racial Dynamics in Worker Retention

00:12:31 - Then we also look at the gender dimension and how the loss of a female versus a male worker affects retention as well. How the loss of a non-white female versus a non-white male affects retention. Without going into too much detail here, we see that the groups more strongly affected are non-white females. Their retention is affected by both the racial and the gender composition of their coworkers. Our study shows that when experiencing a decline in the presence of same race colleagues, non-white workers are more likely to quit their job. And this effect appears to be driven by non-white workers homophilic preferences for working

00:13:12 - Together our results highlight how coworker preferences can generate post hiring peer dynamics that amplify racial segregation across workplaces. Our findings also highlight significant heterogeneities and the effect of racial peer group composition. So studying only a small subset of firms or bundling different race and gender groups together may not provide a full picture of peer effects in the workplace. The results therefore underscore the importance of post hiring dynamics in shaping labor market outcomes for non-white and white workers. So policy aimed at promoting diversity, for example,

00:14:17 - hiring, but also considering coworker interaction after hiring and future research could probably examine the role of firm staffing and promotion policies and reducing peer effects that accelerate racial inequalities. Our findings, for example, suggest that forcing stronger entrepreneur interpersonal relationships within teams could reduce racial biases in the workplace.

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