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Representative Evidence on Social Mobility and Distributional Preferences
Last registered on March 07, 2018

Pre-Trial

Trial Information
General Information
Title
Representative Evidence on Social Mobility and Distributional Preferences
RCT ID
AEARCTR-0002764
Initial registration date
March 06, 2018
Last updated
March 07, 2018 2:54 PM EST
Location(s)

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Primary Investigator
Affiliation
University of Heidelberg
Other Primary Investigator(s)
PI Affiliation
University of Mannheim
PI Affiliation
University of Innsbruck
Additional Trial Information
Status
On going
Start date
2018-01-01
End date
2020-03-07
Secondary IDs
Abstract
The recent surge in income and wealth inequality has rekindled the public and economic debates about the causes and consequences of inequality. While inequality is to some extent inevitable, its acceptance critically hinges on individuals’ views about the fairness of inequality. An important aspect of individuals’ tolerance for inequality is their perception of social mobility. If people believe that they face ex-ante equal prospects and that they can move up the social ladder, they may be willing to accept more inequality.
In this project, we investigate the relationship between intergenerational mobility and distributional preferences, which are key inputs into social policy measures and individual decision‐making. We implemented a survey module in a representative panel study of Germans. This survey module allows us to present a randomly selected subgroup information about actual mobility rates in Germany and subsequently measure participants’ distributional preferences in an incentivized way.
External Link(s)
Registration Citation
Citation
Fehr, Dietmar, Daniel Muller and Marcel Preuss. 2018. "Representative Evidence on Social Mobility and Distributional Preferences." AEA RCT Registry. March 07. https://doi.org/10.1257/rct.2764-1.0.
Former Citation
Fehr, Dietmar, Daniel Muller and Marcel Preuss. 2018. "Representative Evidence on Social Mobility and Distributional Preferences." AEA RCT Registry. March 07. https://www.socialscienceregistry.org/trials/2764/history/26355.
Experimental Details
Interventions
Intervention(s)
Intervention Start Date
2018-01-01
Intervention End Date
2018-03-07
Primary Outcomes
Primary Outcomes (end points)
x,y score (based on incentivized Equality Equivalence Test - EET)
Preference for redistribution (survey question 11-point scale)
Educational expenditures (survey question 5-point scale)
Primary Outcomes (explanation)
x,y scores will be constructed as proposed by Kerschbamer, 2015 and Kerschbamer and Muller, 2017.
Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
We run our experiment on a representative sample of Germans. We present a random subsample or respondents with information on social mobility in Germany and subsequently measure all respondents' other-regarding preferences using an incentivized elicitation method. The panel structure of the survey allows us to draw on rich information about socio-economic characteristics of respondents as well as their attitudes toward redistribution, social policies, health, education, etc.
Experimental Design Details
Not available
Randomization Method
Randomization at individual level through survey software.
Randomization Unit
At individual level.
Was the treatment clustered?
No
Experiment Characteristics
Sample size: planned number of clusters
About 3,000
Sample size: planned number of observations
About 3,000
Sample size (or number of clusters) by treatment arms
750 EET neutral control, 375 EET rich control, 375 EET poor control
750 EET neutral treatment, 375 EET rich treatment, 375 EET poor treatment
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

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