Adoption and General Equilibrium Effects of Improved Cookstoves
Last registered on March 24, 2021

Pre-Trial

Trial Information
General Information
Title
Adoption and General Equilibrium Effects of Improved Cookstoves
RCT ID
AEARCTR-0002794
Initial registration date
March 20, 2018
Last updated
March 24, 2021 7:06 AM EDT
Location(s)

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Primary Investigator
Affiliation
RWI - Leibniz Institute for Economic Research
Other Primary Investigator(s)
PI Affiliation
PI Affiliation
IB&C Rwanda
PI Affiliation
RWI - Leibniz Institute for Economic Research
PI Affiliation
U Connecticut
Additional Trial Information
Status
On going
Start date
2014-10-01
End date
2022-12-31
Secondary IDs
Abstract
We pilot different dissemination strategies for the national cookstove program in Rwanda, using a cluster randomized trial. We study adoption behaviour and General Equilibrium Effects.
External Link(s)
Registration Citation
Citation
Bulte, Erwin et al. 2021. "Adoption and General Equilibrium Effects of Improved Cookstoves." AEA RCT Registry. March 24. https://doi.org/10.1257/rct.2794-2.2.
Former Citation
Bulte, Erwin et al. 2021. "Adoption and General Equilibrium Effects of Improved Cookstoves." AEA RCT Registry. March 24. http://www.socialscienceregistry.org/trials/2794/history/88156.
Experimental Details
Interventions
Intervention(s)
We randomized different subsidies for cookstoves across a sample of 84 communities. These communities were randomly allocated in October 2014 to a control group, a zero-price group, a full price and a half price group (21 communities each).

In the three treatment groups, stove production units and installers were trained in a business-as-usual way. Furthermore, in cooperation with the installers we arranged a marketing event in each of the treatment communities, informing households about the stove’s main advantages and usage instructions. These events took place between May and August 2015. Rural dwellers in the visited communities could make orders for the ICS right after this marketing event, but also on a rolling basis. The three groups only differ in the price at which the stove was offered. The ordered ICS was installed in the weeks following the event. Households in the full and half-prize group could make payments in installments.
Intervention Start Date
2014-10-01
Intervention End Date
2015-10-01
Primary Outcomes
Primary Outcomes (end points)
ICS adoption rate on community level

market price for firewood

collection time for firewood

firewood consumption
Primary Outcomes (explanation)
see pre-analysis plan
Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
We randomized different subsidies for cookstoves across a sample of 84 communities. These communities were randomly allocated in October 2014 to a control group, a zero-price group, a full price and a half price group (21 communities each).
Experimental Design Details
Not available
Randomization Method
Randomization done in office by a computer
Randomization Unit
community level
Was the treatment clustered?
Yes
Experiment Characteristics
Sample size: planned number of clusters
84 communities
Sample size: planned number of observations
1680 households
Sample size (or number of clusters) by treatment arms
21 communities per treatment arm
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
IRB Approval Date
IRB Approval Number
Analysis Plan

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