Toward exclusive LPG use: Ensuring increased LPG use through a second gas cylinder and reducing availability of the traditional chulha
Last registered on April 16, 2019

Pre-Trial

Trial Information
General Information
Title
Toward exclusive LPG use: Ensuring increased LPG use through a second gas cylinder and reducing availability of the traditional chulha
RCT ID
AEARCTR-0003623
Initial registration date
December 06, 2018
Last updated
April 16, 2019 12:18 AM EDT
Location(s)

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Primary Investigator
Affiliation
UC Berkeley
Other Primary Investigator(s)
Additional Trial Information
Status
In development
Start date
2018-11-30
End date
2019-08-01
Secondary IDs
Abstract
A major barrier to exclusive LPG use is the gap in time between when a household’s LPG cylinder becomes empty and when they receive a refill. In rural areas, this gap results in return to biomass use for cooking while waiting for a refill. Middle and upper-income and many urban households own a second cylinder to avoid these service interruptions. That is, when the first cylinder runs out, they have a second which provides fuel while they wait for the refill of their first cylinder. In this study we plan to test two ways to increase LPG usage through a short-term field experiment: 1) Examine the impacts of owning a second cylinder on LPG and chulha use among poor households in rural India, where second cylinders are uncommon; 2) To help achieve near-exclusive use, we will test how usage of LPG is influenced by asking households to disable or remove the traditional mud stove. This move – to physically eliminate a strong source of pollution – could be a natural link to a program that improves supply of clean fuel through provision of a second cylinder.
External Link(s)
Registration Citation
Citation
Harrell, Stephen. 2019. "Toward exclusive LPG use: Ensuring increased LPG use through a second gas cylinder and reducing availability of the traditional chulha." AEA RCT Registry. April 16. https://www.socialscienceregistry.org/trials/3623/history/44955
Experimental Details
Interventions
Intervention(s)
Intervention Start Date
2018-12-14
Intervention End Date
2019-08-01
Primary Outcomes
Primary Outcomes (end points)
The key outcomes include: uptake rates of sales offers, traditional stove use, and LPG use.
Primary Outcomes (explanation)
Secondary Outcomes
Secondary Outcomes (end points)
Secondary Outcomes (explanation)
Experimental Design
Experimental Design
Households will receive one of three sales offers:
(1) Treatment 1 - offered a free trial of a spare LPG cylinder followed by installment payments
(2) Treatment 2 - offered a free trial of a spare LPG cylinder followed by installment payments with a requirement to fill in or disable their traditional mud stove
(3) Control - at end of study will offer them to purchase an LPG cylinder while paying the full cost upfront
Experimental Design Details
Not available
Randomization Method
Randomization will be conducted by a biostatician using a computer.
Randomization Unit
Randomization will occur at the household level.
Was the treatment clustered?
No
Experiment Characteristics
Sample size: planned number of clusters
0 clusters
Sample size: planned number of observations
180
Sample size (or number of clusters) by treatment arms
Treatment 1 - 60 households
Treatment 2 - 60 households
Control - 60 households
Minimum detectable effect size for main outcomes (accounting for sample design and clustering)
IRB
INSTITUTIONAL REVIEW BOARDS (IRBs)
IRB Name
Committee for Protection of Human Subjects
IRB Approval Date
2018-11-16
IRB Approval Number
2018-10-11562
Analysis Plan

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