Willingness to Pay for Menstrual Cups
Last registered on January 14, 2020

Pre-Trial

Trial Information
General Information
Title
Willingness to Pay for Menstrual Cups
RCT ID
AEARCTR-0005297
Initial registration date
January 14, 2020
Last updated
January 14, 2020 11:56 AM EST
Location(s)

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Primary Investigator
Affiliation
Other Primary Investigator(s)
Additional Trial Information
Status
On going
Start date
2020-01-14
End date
2020-03-26
Secondary IDs
Abstract
This study involves a brief survey followed by a randomized control experiment involving students on University of Toronto Campuses. The topic of investigation is the willingness to pay for the menstrual cup, a reusable menstrual cup and sustainable alternative to common disposables such as tampons and sanitary napkins. We use informational interventions including education on the private benefits of using the menstrual cup (cost and convenience) or environmental benefits of using the menstrual cup (waste and energy savings) to determine if there is correlation between the intervention received and subsequent willingness to pay. Our aim is to assess the treatment effects of each intervention as well as the potential heterogeneity in treatment effects between individuals who are familiar with others who use the menstrual cup, and self-reported rankings of how important 'sustainability' or 'cost-savings' is in their own purchasing decisions.
External Link(s)
Registration Citation
Citation
Davison, Gillian. 2020. "Willingness to Pay for Menstrual Cups." AEA RCT Registry. January 14. https://doi.org/10.1257/rct.5297-1.0.
Sponsors & Partners

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Experimental Details
Interventions
Intervention(s)
This study involves providing two different informational interventions to participants. The first involves providing information about the private benefits of using the menstrual cup, including financial and social considerations such as cost savings, time savings, and convenience. The second intervention involves providing information about the environmental benefits of using the menstrual cup, including minimal waste production and resource savings.
Intervention Start Date
2020-01-14
Intervention End Date
2020-02-07
Primary Outcomes
Primary Outcomes (end points)
The key outcome variables in this experiment is participants' willingness to pay for the menstrual cup and whether heterogeneous treatment effects exist between individuals who are familiar with others who use the menstrual cup, and self-reported rankings of how important 'sustainability' or 'cost-savings' is in their purchasing decisions.
Primary Outcomes (explanation)
Improved education and awareness of the impacts of menstrual hygiene products. This study aims to improve awareness of the various costs or benefits of using disposable versus reusable menstrual hygiene products.
Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
This study involves a brief survey followed by a randomized controlled trial using an adapted version of the Becker-Degroot-Marschak Method.
Experimental Design Details
Not available
Randomization Method
Randomization done in office by computer software.
Randomization Unit
Individual randomization
Was the treatment clustered?
No
Experiment Characteristics
Sample size: planned number of clusters
210 students
Sample size: planned number of observations
210 students
Sample size (or number of clusters) by treatment arms
70 students control, 70 students private benefits, 70 students environmental benefits
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
University of Toronto Social Sciences, Humanities & Education Research Ethics Board
IRB Approval Date
2019-12-13
IRB Approval Number
38479
Analysis Plan

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