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Extension to “How Unequal Wages, Unfair Procedures and Discrimination Affect Labor Supply: Experimental Evidence”
Last registered on November 24, 2020

Pre-Trial

Trial Information
General Information
Title
Extension to “How Unequal Wages, Unfair Procedures and Discrimination Affect Labor Supply: Experimental Evidence”
RCT ID
AEARCTR-0003379
Initial registration date
October 04, 2018
Last updated
November 24, 2020 8:34 AM EST
Location(s)
Primary Investigator
Affiliation
WU Wien
Other Primary Investigator(s)
PI Affiliation
Maastricht University
PI Affiliation
Maastricht University
Additional Trial Information
Status
Completed
Start date
2018-10-06
End date
2020-08-15
Secondary IDs
Abstract
We present here an extension of our experiment (entitled “How Unequal Wages, Unfair Procedures and Discrimination Affect Labor Supply: Experimental Evidence” in the AEA RCT Registry (ID: AEARCTR-0002655)). Our research is extended on two fronts: (1) negative gender discrimination without chances involved, and (2) positive gender discrimination of women without chances involved. We investigate the causal effect of wage inequality due to gender discrimination on labor supply decisions of workers. We conduct an experiment on an online platform, where workers individually engage in the same task and are individually paid a piece-rate wage. Workers receive information about their own wage and the wage of another worker as well as on the procedure leading to these wages. A worker’s labor supply decision only affects himself or herself. Providing less labor reduces the worker’s earnings but leaves unaffected the other workers’ earnings.
External Link(s)
Registration Citation
Citation
Gagnon, Nickolas, Kristof Bosmans and Arno Riedl. 2020. "Extension to “How Unequal Wages, Unfair Procedures and Discrimination Affect Labor Supply: Experimental Evidence”." AEA RCT Registry. November 24. https://doi.org/10.1257/rct.3379-2.0.
Former Citation
Gagnon, Nickolas, Kristof Bosmans and Arno Riedl. 2020. "Extension to “How Unequal Wages, Unfair Procedures and Discrimination Affect Labor Supply: Experimental Evidence”." AEA RCT Registry. November 24. http://www.socialscienceregistry.org/trials/3379/history/80270.
Experimental Details
Interventions
Intervention(s)
See Pre-Analysis Plan.
Intervention Start Date
2018-10-06
Intervention End Date
2018-10-12
Primary Outcomes
Primary Outcomes (end points)
Labor supply. See Pre-Analysis Plan.
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
See Pre-Analysis Plan.
Experimental Design Details
Randomization Method
By computer. See Pre-Analysis Plan.
Randomization Unit
Individual. See Pre-Analysis Plan.
Was the treatment clustered?
No
Experiment Characteristics
Sample size: planned number of clusters
No clusters.
Sample size: planned number of observations
See Pre-Analysis Plan.
Sample size (or number of clusters) by treatment arms
Total of three treatments. See Pre-Analysis Plan.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
Ethical Review Committee Inner City faculties (ERCIC)
IRB Approval Date
2017-11-23
IRB Approval Number
ERCIC_054_15_11_2017
Analysis Plan
Analysis Plan Documents
Pre-registration Document

MD5: 26abb3f31bf08243d4eba6e823019e77

SHA1: 34f2e3d7f676f11237950b2ff6351fe236f55243

Uploaded At: October 04, 2018

Post-Trial
Post Trial Information
Study Withdrawal
Intervention
Is the intervention completed?
No
Is data collection complete?
Yes
Data Collection Completion Date
Final Sample Size: Number of Clusters (Unit of Randomization)
Was attrition correlated with treatment status?
Final Sample Size: Total Number of Observations
Final Sample Size (or Number of Clusters) by Treatment Arms
Data Publication
Data Publication
Is public data available?
No
Program Files
Program Files
Reports, Papers & Other Materials
Relevant Paper(s)
Abstract
See SSRN link
Citation
See SSRN link
REPORTS & OTHER MATERIALS