Expected Discrimination and Worker Sorting

Last registered on September 26, 2024

Pre-Trial

Trial Information

General Information

Title
Expected Discrimination and Worker Sorting
RCT ID
AEARCTR-0014386
Initial registration date
September 22, 2024

Initial registration date is when the trial was registered.

It corresponds to when the registration was submitted to the Registry to be reviewed for publication.

First published
September 26, 2024, 12:30 PM EDT

First published corresponds to when the trial was first made public on the Registry after being reviewed.

Locations

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Primary Investigator

Affiliation
Center for Economic Research and Graduate Education – Economics Institute (CERGE-EI)

Other Primary Investigator(s)

Additional Trial Information

Status
In development
Start date
2024-08-26
End date
2027-12-30
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
This project seeks to understand job seekers’ behavior when they anticipate ethnic discrimination in the labor market. In particular, we aim to understand whether anticipated ethnic discrimination deters job seekers from applying for jobs, whether they put less effort into job applications when they anticipate discrimination, and whether they sort into low-status, less competitive jobs. Our experiment entails advertising a job and observing the behavioral responses of the job seekers based on the anticipated ethnic discrimination.
External Link(s)

Registration Citation

Citation
Njoroge, Winnie. 2024. "Expected Discrimination and Worker Sorting." AEA RCT Registry. September 26. https://doi.org/10.1257/rct.14386-1.0
Experimental Details

Interventions

Intervention(s)
We study the behavior of job seekers when they anticipate ethnic discrimination in the labor market. To do this, we conduct a field experiment where we vary the level of anticipated ethnic discrimination in the hiring process by randomizing job seekers into three groups: Ethnicity condition (mimics the status quo condition), Tolerant condition (where we signal diversity) and Blind condition (blind review of application materials).
Intervention Start Date
2024-09-27
Intervention End Date
2024-10-11

Primary Outcomes

Primary Outcomes (end points)
The two primary outcomes are:

1. Decision to proceed with the job application: This variable will be a dummy taking value 1 if a job seeker proceeds with the application after receiving the email with the treatment message and 0 otherwise.

2. Qualities of those who proceed (not proceed) with the application. We will look at the following qualities of those who will proceed (not proceed) with the application:

i. Highest level of education.
ii. Years of work experience
iii. Whether one is currently a student
iv. Productivity/effort. This will include:
• Average length of response to an optional interview-style question (word count)
• Percentage score for the number of correctly answered maths questions
• Quality of the response to the optional interview-style question as assessed by HRs (out of 100)
v. Availability: Number of hours one is available to work in a week (Monday to Sunday)
vi. Skillset.
vii. Grit: This is the total score for 12 questions developed by Duckworth et al. (2007).
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
1. Amount effort put into the application. We will have four measures for effort put into application:

i. Whether an applicant formats their CV to our preferred format. This outcome will be a dummy taking value 1 if the applicant formats their CV to our preferred format and 0 otherwise.
ii. The average length of the responses to the three optional interview-style questions.
iii. The average quality of the responses to the three interview-style questions as blindly assessed by HR professionals. The HR professionals will record the score on a scale from 0 to 100.
iv. Performance in an optional data entry task. This will be a continuous variable measured as the number of rows correctly entered.

2. Job choice: Applicants will be asked to choose whether they want to be considered for data entry or data validation position. This variable will be a dummy variable taking value 1 if an applicant chooses data validation and 0 otherwise.

3. Ranking by the HR professionals: We will remove all identifiable information and use codes before forwarding the application materials to the HR professionals, who will then review and record the overall score of each applicant on a scale from 0 to 100.

4. Whether the job seekers are willing to engage with the “employer” in the future. This will be a dummy variable taking value 1 if willing to be contacted in case of future job opportunities and 0 otherwise.
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
The experimental have five stages:

Stage 1: Job Advertisement
The first stage of our experiment involve sending out a general job advertisement. In the advertisement, we state the salary associated with the position, the starting date, and that the job will be a short-term remote job.

Stage 2: Expression of Interest
Those interested in the job express their interest by registering using the link provided. At this stage, we collected baseline characteristics of job seekers.

Stage 3: Randomization and Treatment
In this stage, we will randomly assign the job seekers to either ethnicity condition, tolerant condition, or blind condition. We will then send them a follow-up email containing the treatment messages varying the level of anticipated ethnic discrimination.

Stage 4: Application and Job Choice
The applicants will have a chance to proceed with the application and choose the position they want to be considered for.

Stage 5: Hiring
We will offer a total of 10 part-time jobs for one month. These will be equally distributed among the top applicants in each category.
Experimental Design Details
Not available
Randomization Method
Randomization is done at the individual level using the “randtreat” command in STATA. We stratify randomization by ethnicity, gender, and work experience.
Randomization Unit
Unit of randomization is individual
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
no cluster sampling
Sample size: planned number of observations
6,816 job seekers
Sample size (or number of clusters) by treatment arms
Ethnicity condition: 2,271 job seekers,
Tolerant condition: 2,268 job seekers,
Blind condition: 2,277 job seekers.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB

Institutional Review Boards (IRBs)

IRB Name
Center For Economic Research and Graduate Education Scientific Council
IRB Approval Date
2024-06-18
IRB Approval Number
N/A
Analysis Plan

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