Third Study on Rebate Redemption Rates

Last registered on May 13, 2020

Pre-Trial

Trial Information

General Information

Title
Third Study on Rebate Redemption Rates
RCT ID
AEARCTR-0005830
Initial registration date
May 10, 2020
Last updated
May 13, 2020, 3:47 PM EDT

Locations

Region

Primary Investigator

Affiliation
University of Muenster

Other Primary Investigator(s)

Additional Trial Information

Status
In development
Start date
2020-05-11
End date
2020-10-31
Secondary IDs
Abstract
See pre-analysis plan.
External Link(s)

Registration Citation

Citation
Rodemeier, Matthias. 2020. "Third Study on Rebate Redemption Rates." AEA RCT Registry. May 13. https://doi.org/10.1257/rct.5830-1.0
Experimental Details

Interventions

Intervention(s)
See pre-analysis plan.
Intervention Start Date
2020-05-11
Intervention End Date
2020-05-24

Primary Outcomes

Primary Outcomes (end points)
For a detailed description and justification of each outcome variable see pre-analysis plan.
- The probability to purchase at the shop.
- The probability to redeem the rebate conditional on purchasing at the shop.

The main analysis will be restricted to the first purchase of each subject in the experimen-
tal period.
Primary Outcomes (explanation)

Secondary Outcomes

Secondary Outcomes (end points)
- Revenue and profit per transaction.
- Quantities purchased by each product category.
- Total quantities purchased (all categories pooled together).

Dynamic effects will also be reported. The outcome variables are:
- Probability to buy again at the shop within the experimental period.
- Probability to redeem the rebate on the second and third purchase.
Secondary Outcomes (explanation)

Experimental Design

Experimental Design
See pre-analysis plan.
Experimental Design Details
Randomization Method
By computer.
Randomization Unit
The randomization unit is the HTTP-Cookie of the website visitor.
Was the treatment clustered?
No

Experiment Characteristics

Sample size: planned number of clusters
Approximately 593,280 individually identified website visitors and 16,600 transactions.
Sample size: planned number of observations
Approximately 593,280 individually identified website visitors and 16,600 transactions.
Sample size (or number of clusters) by treatment arms
Approximately 74,160 website visitors and 2,075 transactions for each of the 8 experimental groups.
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
See pre-analysis plan.
IRB

Institutional Review Boards (IRBs)

IRB Name
IRB Approval Date
IRB Approval Number
Analysis Plan

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Post-Trial

Post Trial Information

Study Withdrawal

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Intervention

Is the intervention completed?
No
Data Collection Complete
Data Publication

Data Publication

Is public data available?
No

Program Files

Program Files
Reports, Papers & Other Materials

Relevant Paper(s)

Reports & Other Materials