The Effect of Transfer Withdrawal Rates on Formal and Informal Labor Supply

Last registered on April 02, 2024
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Pre-Trial

Trial Information

General Information

Title
The Effect of Transfer Withdrawal Rates on Formal and Informal Labor Supply
RCT ID
AEARCTR-0013250
Initial registration date
March 27, 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
April 02, 2024, 11:00 AM 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

Name
Lisa Windsteiger
Affiliation
University of Salzburg and ifo Institute
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Other Primary Investigator(s)

PI Name
Kerstin Bruckmeier
PI Affiliation
Institute for Employment Research
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PI Name
Mathias Dolls
PI Affiliation
ifo Institute
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PI Name
Sarah Necker
PI Affiliation
ifo Institute and FAU Erlangen-Nuremberg
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PI Name
Andreas Peichl
PI Affiliation
ifo Institute and LMU Munich
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Additional Trial Information

Status
In development
Start date
2024-01-22
End date
2025-04-05
Keywords
Behavior, Electoral, Welfare
Additional Keywords
Transfer Withdrawal Rates, Labor Supply, Undeclared Work, Conjoint Experiment
JEL code(s)
J22, J46, J48, H26, H31, H53
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
This project examines the impact of transfer withdrawal rates in the German Citizens’ Basic Income system on the decision of benefit recipients to take up a job in the formal or informal sector. Methodologically, the project makes use of a conjoint experiment combined with a between-subjects treatment design in which we vary institutional details, conducted in the context of an online survey.
External Link(s)

Registration Citation

Citation
Bruckmeier, Kerstin et al. 2024. "The Effect of Transfer Withdrawal Rates on Formal and Informal Labor Supply." AEA RCT Registry. April 02. https://doi.org/10.1257/rct.13250-1.0
Sponsors & Partners
Experimental Details

Interventions

Intervention(s)
We implement a conjoint experiment in combination with a treatment design within an online survey of recipients of Citizens' Basic Income in Germany. Respondents are randomly allocated into four groups which face different (hypothetical) transfer withdrawal rates in the conjoint experiment.
In the main part of the experiment, respondents are shown six (hypothetical) job offers in random order. The job offers differ in the following attributes: working time per week, type of job (registered or not registered at the job center), distance to place of work, required professional skills, monthly net wage. For each job offer, respondents are asked how likely it is that they would accept the job offer.
Intervention Start Date
2024-04-05
Intervention End Date
2025-04-05

Primary Outcomes

Primary Outcomes (end points)
average marginal component effects for job acceptance rating
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
conjoint experiment to elicit AMCEs for job acceptance
Experimental Design Details
Not available
Randomization Method
computer
Randomization Unit
individual
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
1700 individuals
Sample size: planned number of observations
1700 individuals
Sample size (or number of clusters) by treatment arms
425 (we have 4 treatments with different hypothetical transfer withdrawal rates)
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
Supporting Documents and Materials
IRB

Institutional Review Boards (IRBs)

IRB Name
Ethics Commission, Institute for Employment Research (IAB)
IRB Approval Date
2023-11-03
IRB Approval Number
Project 4180
Analysis Plan

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