Willingness to pay for public transport and the effect of information

Last registered on November 15, 2024
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Pre-Trial

Trial Information

General Information

Title
Willingness to pay for public transport and the effect of information
RCT ID
AEARCTR-0014770
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, 1:23 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
Jana Eßer
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
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PI Name
Manuel Frondel
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
2026-10-15
Keywords
Behavior, Environment & Energy
Additional Keywords
JEL code(s)
Secondary IDs
Prior work
This trial does not extend or rely on any prior RCTs.
Abstract
This study aims to identify whether information provision about the cost of possessing and using a private car increases the willingness-to-pay for a public transport ticket. In a survey experiment among around 4,000 participants, we elicit the willingness-to-pay (WTP) for a public transport ticket in a revealed preference second price auction. In addition, we test if providing participants with information about the cost of their car ownership increases their WTP.
External Link(s)

Registration Citation

Citation
Andor, Mark A. , Jana Eßer and Manuel Frondel. 2024. "Willingness to pay for public transport and the effect of information." AEA RCT Registry. November 15. https://doi.org/10.1257/rct.14770-1.0
Sponsors & Partners
Experimental Details

Interventions

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

Primary Outcomes

Primary Outcomes (end points)
Average bid for a public transport ticket
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
We use a revealed preference second price auction to elicit the willingness to pay for a public transport ticket. Participants are randomly assigned to a control and a treatment group. Before the auction, the treatment group receives information on the true cost of car ownership as calculated based on data previously collected in the survey.
Experimental Design Details
Not available
Randomization Method
Randomization by the survey institute commissioned to conduct the survey
Randomization Unit
individual (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
2,000 respondents per 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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