The effect of carbon price salience on fuel consumption

Last registered on November 15, 2024
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Pre-Trial

Trial Information

General Information

Title
The effect of carbon price salience on fuel consumption
RCT ID
AEARCTR-0014769
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
Contact Primary Investigator

Other Primary Investigator(s)

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
The study investigates the effect of the salience of carbon pricing and carbon emissions on fuel consumption using an incentivized multiple price list approach in an online survey with 4,000 participants. In addition, the underlying mechanisms will be explored.
External Link(s)

Registration Citation

Citation
Eßer, Jana. 2024. "The effect of carbon price salience on fuel consumption." AEA RCT Registry. November 15. https://doi.org/10.1257/rct.14769-1.0
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)
Willingness to pay for fuel
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
Percentage of respondents choosing the fuel voucher at a given price
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
In a multiple price list, study participants choose between a fuel and a train voucher at varying fuel prices. Participants are randomly assigned to four experimental groups that receive different types of information: 1) Price Increase: no additional information, 2) Carbon Emissions: information on carbon emissions, 3) Carbon Price Increase: information on carbon price included in the fuel price, 4) Carbon Price Increase + Information: information on carbon price included in the fuel price plus additional information on mechanisms of carbon pricing.
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
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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