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Preferences for redistribution in Mexico

Last registered on May 14, 2021
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Pre-Trial

Trial Information

General Information

Title
Preferences for redistribution in Mexico
RCT ID
AEARCTR-0007664
Initial registration date
May 11, 2021

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
May 14, 2021, 9:36 AM EDT

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

Locations

Country
Mexico
Region
Urban areas in Mexico: Ciudad de México, Guadalajara, Monterrey, León, Ciudad Juárez, San Luis Potosí, Mérida, Oaxaca

Primary Investigator

Name
Aurora A. Ramírez-Álvarez
Affiliation
El Colegio de México
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Other Primary Investigator(s)

PI Name
Raymundo Miguel Campos Vázquez
PI Affiliation
El Colegio de México
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PI Name
Alice Krozer
PI Affiliation
El Colegio de México
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Additional Trial Information

Status
In development
Start date
2021-05-12
End date
2021-06-14
Keywords
Behavior
Additional Keywords
Taxes, taxation, inequality, redistribution, public expenditure
JEL code(s)
Secondary IDs
Abstract
We estimate perceptions of taxes and support for redistribution for a representative urban population in Mexico. Furthermore, we analyze whether people adjust the degree of preferred redistribution when information is provided on scenarios in which high-income people pay more taxes. To do this, we create four treatment groups and a control within a sample of 3,060 participants. Each group received information about a scenario in which the highest income group in the country will pay 60%, 50%, 40% or 20% of their income in taxes.
External Link(s)

Registration Citation

Citation
Campos Vázquez, Raymundo Miguel, Alice Krozer and Aurora A. Ramírez-Álvarez. 2021. "Preferences for redistribution in Mexico." AEA RCT Registry. May 14. https://doi.org/10.1257/rct.7664-1.0
Sponsors & Partners
Experimental Details

Interventions

Intervention(s)
We create four treatment groups and a control within a sample of 3,060 participants. Each group will receive an information card. Four groups receive the same information about:
a) Mean monthly income received by the lowest and the highest income deciles in Mexico.
b) Taxes as proportion of income paid by the lowest and the highest income deciles in Mexico.
Then, in order to measure if interviewees change their preferences for redistribution, each group will receive information in which the highest income group in the country will pay 60%, 50%, 40% or 20% of their income in taxes.
Intervention Start Date
2021-05-21
Intervention End Date
2021-06-13

Primary Outcomes

Primary Outcomes (end points)
1. Proportion of income willing to pay in taxes
2. Perception regarding the functioning of democracy in Mexico
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
For the sample selection, we follow a stratified multi-stage probability sampling with four sampling stages:
• Selection of AGEBs by simple random sampling.
• Selection of housing blocks by simple random sampling.
• Selection of dwellings through systematic sampling with random start.
• For respondent selection, a simple roster will be made of all the members of the household from 25 to 69 years old based on the date of birth. The member whose birthday is closer to the date of the interview will be chosen from those in the household.
For the experimental design, the interviewees will be randomly assigned to one of the four control groups or the control one.
Experimental Design Details
Randomization Method
The interviewees will receive a message or information card in the questionnaire used; followed by five different questions that will be randomly distributed among five subgroups of interviewees of the same size by a software.

Survey is carried out by a third-party firm. By information protection laws, the firm does not share individual identifiers with researchers (name or specific address)
Randomization Unit
Individual
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
8 metropolitan areas
Sample size: planned number of observations
3,060 individuals
Sample size (or number of clusters) by treatment arms
Treatment 1 for a 60% taxation rate: 612
Treatment 2 for a 50% taxation rate: 612
Treatment 3 for a 40% taxation rate: 612
Treatment 4 for a 20% taxation rate: 612
Control: 612
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
Supporting Documents and Materials

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IRB

Institutional Review Boards (IRBs)

IRB Name
IRB Approval Date
IRB Approval Number
Analysis Plan

Post-Trial

Post Trial Information

Study Withdrawal

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Intervention

Is the intervention completed?
No
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