Preferences Regarding Price-based versus Regulatory Policies and Their Determinants

Last registered on November 15, 2024
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Pre-Trial

Trial Information

General Information

Title
Preferences Regarding Price-based versus Regulatory Policies and Their Determinants
RCT ID
AEARCTR-0014765
Initial registration date
November 04, 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
November 15, 2024, 1:24 PM EST

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
Leonie Matejko
Affiliation
RWI – Leibniz Institute for Economic Research
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Other Primary Investigator(s)

PI Name
Mark A. Andor
PI Affiliation
RWI - Leibniz Institute for Economic Research, Ruhr University Bochum
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PI Name
Jana Eßer
PI Affiliation
RWI - Leibniz Institute for Economic Research
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PI Name
Andreas Lange
PI Affiliation
University of Hamburg
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PI Name
Michael K. Price
PI Affiliation
University of Alabama, Australian National University, and NBER
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PI Name
Lukas Tomberg
PI Affiliation
RWI – Leibniz Institute for Economic Research
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Additional Trial Information

Status
On going
Start date
2024-09-25
End date
2026-11-04
Keywords
Behavior
Additional Keywords
Policy preferences, Price-based policies, Regulatory policies, Moral convictions, Reactance, Effectiveness
JEL code(s)
D63, D72, D91, H23, K32
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
Policymakers often choose between price-based and regulatory policies to achieve the same policy objective. This study explores preferences for price-based versus regulatory measures in the contexts of sugar-sweetened soft drinks and car traffic in city centers. To elicit preferences, we employ a multiple price list format, which enables us to evaluate the impact of the price of the price-based measure on policy preferences. We also use information treatments to experimentally vary perceptions of the price-based measure's effectiveness and fairness. In addition, we gather beliefs about the characteristics of each policy and measure moral convictions in the form of inclinations toward utilitarianism as well as trait reactance.
External Link(s)

Registration Citation

Citation
Andor, Mark A. et al. 2024. "Preferences Regarding Price-based versus Regulatory Policies and Their Determinants." AEA RCT Registry. November 15. https://doi.org/10.1257/rct.14765-1.0
Sponsors & Partners

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Experimental Details

Interventions

Intervention(s)
Intervention Start Date
2024-09-25
Intervention End Date
2024-10-15

Primary Outcomes

Primary Outcomes (end points)
Preferences for price-based versus regulatory policies
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
Information experiment with three treatment groups and one control group. The treatment groups each receive different information about some aspect of the price-based policy in the contexts of sugar-sweetened soft drinks and car traffic in city centers.
Experimental Design Details
Not available
Randomization Method
Randomization by the survey institute commissioned to conduct the survey
Randomization Unit
Individuals (respondents)
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
4,000 respondents
Sample size: planned number of observations
4,000 respondents
Sample size (or number of clusters) by treatment arms
1,000 respondents per treatment group
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
Supporting Documents and Materials
IRB

Institutional Review Boards (IRBs)

IRB Name
IRB Approval Date
IRB Approval Number
Analysis Plan

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