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Legal mandates, information, and political representation of women: Evidence from Gender Quotas in Chile
Last registered on June 03, 2021

Pre-Trial

Trial Information
General Information
Title
Legal mandates, information, and political representation of women: Evidence from Gender Quotas in Chile
RCT ID
AEARCTR-0007657
Initial registration date
May 13, 2021
Last updated
June 03, 2021 7:26 PM EDT
Location(s)
Primary Investigator
Affiliation
Yale
Other Primary Investigator(s)
Additional Trial Information
Status
Completed
Start date
2021-05-15
End date
2021-05-16
Secondary IDs
Abstract
Over a hundred countries use gender quotas in politics to increase female representation. Yet, when quotas apply only on party candidate lists, parties often strategically respond, resulting in female representation being at the lower end of what is compatible with quotas (Esteve-Volart and Bagues, 2012). This project will exploit an electoral setting in Chile where the party's ability to manipulate the fraction of women elected through candidate choice is limited by law. Using a randomized information campaign, which consists of sending letters to voters from randomly selected voting booths, I will examine whether informing voters about the law to ensure gender parity impacts voter candidate choice and partisan preferences. The aim is to use the findings to evaluate the underlying causes for female under-representation in politics.
External Link(s)
Registration Citation
Citation
Paredes Haz, Antonia. 2021. "Legal mandates, information, and political representation of women: Evidence from Gender Quotas in Chile." AEA RCT Registry. June 03. https://doi.org/10.1257/rct.7657-1.1.
Sponsors & Partners

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Experimental Details
Interventions
Intervention(s)
Information campaign on a gender quota in Chile delivered to voters before the election.
Intervention Start Date
2021-05-15
Intervention End Date
2021-05-16
Primary Outcomes
Primary Outcomes (end points)
Votes:
- Percentage of votes for women over total votes.
- Percentage of votes for women of the three major coalitions competing.
- Average ability level by gender weighted by percentage of votes. Ability will be measured by test scores for college admissions.
-Percentage of votes for women according to their ranking in the list
-Percentage of invalid votes
-Percentage of votes by coalition
Turnout:
- Percentage of registered voters that voted.
- Percentage of male and female voters that voted.
- Percentage of people by age that voted.
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
-Spillovers in other elections happening the same day (percentage of votes for women in elections for governor, mayor, and city council; percentage of invalid votes)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
Treatment is randomized among electoral voting booths in all the urban municipalities in the city of Santiago. There are two treatment arms and one control group:
Control group: No intervention
Treatment 1 (T1): Voters in these voting booths will receive a letter with general information about the election and gender parity in candidates.
Treatment 2 (T2): Voters in these voting booths will receive the same letter as voters in T1, plus information about gender parity in elected candidates.
Experimental Design Details
Randomization Method
Randomization done in office by a computer
Randomization Unit
Voting booths
Was the treatment clustered?
Yes
Experiment Characteristics
Sample size: planned number of clusters
336 treated voting booths
Sample size: planned number of observations
12791 voting booths
Sample size (or number of clusters) by treatment arms
Control: 12455 voting booths
T1: 114 voting booths
T2: 222 voting booths
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
Yale University Institutional Review Board
IRB Approval Date
2021-03-25
IRB Approval Number
2000030304
Analysis Plan

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Post-Trial
Post Trial Information
Study Withdrawal
Intervention
Is the intervention completed?
No
Is data collection complete?
Data Publication
Data Publication
Is public data available?
No
Program Files
Program Files
Reports, Papers & Other Materials
Relevant Paper(s)
REPORTS & OTHER MATERIALS