Paternalism and Incentives

Last registered on June 04, 2021

Pre-Trial

Trial Information

General Information

Title
Paternalism and Incentives
RCT ID
AEARCTR-0003801
Initial registration date
January 15, 2020

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
January 17, 2020, 11:13 AM EST

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

Last updated
June 04, 2021, 9:57 AM EDT

Last updated is the most recent time when changes to the trial's registration were published.

Locations

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Primary Investigator

Affiliation
WZB Berlin Social Science Center

Other Primary Investigator(s)

Additional Trial Information

Status
In development
Start date
2020-01-20
End date
2023-12-31
Secondary IDs
Abstract
This study analyzes the effects of incentives on paternalistic interventions on "repugnant transactions."
External Link(s)

Registration Citation

Citation
Stüber, Robert. 2021. "Paternalism and Incentives." AEA RCT Registry. June 04. https://doi.org/10.1257/rct.3801
Experimental Details

Interventions

Intervention(s)
Intervention Start Date
2020-01-20
Intervention End Date
2021-08-31

Primary Outcomes

Primary Outcomes (end points)
- Participants' willingness-to-pay (WTP) for the offer being made or not made.
- Discrete decision whether to approve the offer or not. Participants choose between “Approve,” “Do not approve,” and “Undecided: Let chance decide.”
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
- Participants' belief about the fraction of people accepting the offer for various monetary amounts.
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
The participants in the experiment decide whether to approve a "repugnant transaction."
Experimental Design Details
Not available
Randomization Method
The randomization is done by a computer. The variable "id_in_group" randomizes participants into treatments.
Randomization Unit
The randomization unit is the individual.
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
About 1000 clusters.


Additional treatments (see "Pre-Analyis Plan (Main Study Part 2)" for details): 1300 clusters.
Sample size: planned number of observations
About 1000 participants. Additional treatments (see "Pre-Analyis Plan (Main Study Part 2)" for details): 1300 participants.
Sample size (or number of clusters) by treatment arms
Outcome 1: About 375 participants in the treatment group and 375 participants in the control group.
Outcome 2: About 125 participants in the treatment group and 125 participants in the control group.

Additional treatments (see "Pre-Analyis Plan (Main Study Part 2)" for details):

Treatment 1 "Reservation Price Replication": 200 observations (outcome 1).
Treatment 2 "Social": 200 observations (outcome 1).
Treatment 3 "Lottery": 200 observations (outcome 1).
Treatment 4 "Medium": 200 observations (outcome 1).
Treatment 5 "Hyp Rep": 250 observations (outcome 2).
Treatment 6 "Hyp Rep IRB": 250 observations (outcome 2).
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
WZB Research Ethics Committee
IRB Approval Date
2019-01-22
IRB Approval Number
2019/1/59
Analysis Plan

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