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Trial
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Last Published August 12, 2014 06:02 PM August 12, 2014 06:05 PM
Randomization Unit Cluster-level randomized treatments: Public / private treatment: the values of neighbors' subsidy prices are shared with others in their cluster in half of the clusters in order to observe the effect of pressure from the neighbors on the take up of desludging services. Learning from others treatment: half of neighbors are told who (half are told how many) of their neighbors chose to take up the desludging subscription. Individual-level randomized treatments: Subsidy levels: subsidy levels are randomized at the household level, and the number of high versus low subsidies varies across the different clusters. Payment frequency: households receive reminders to save for their desludgings, and the frequency with which they are asked to pay in the reminders varies between at will, monthly, and payment at the time of service. Earmarking treatment: some households are offered one earmarked desludging account while others are offered two accounts (one earmarked and one general savings account) Commitment deposit treatment: 87% of households are asked to pay a deposit toward a subsidized desludging, a randomly selected 13% are not asked to pay a deposit. Spillover estimation: 2 households per cluster are selected to be surveyed but not receive the treatment or the subsidies. We observe whether these households are more likely to take up when there are more households with high discounts in their neighborhood. There are various randomized treatments. Some of these are randomized at the neighborhood cluster level, and some are individually randomized. Each neighborhood cluster contains 12 households: 10 treated and 2 spillover. Cluster-level randomized treatments: Public / private treatment: the values of neighbors' subsidy prices are shared with others in their cluster in half of the clusters in order to observe the effect of pressure from the neighbors on the take up of desludging services. Learning from others treatment: half of neighbors are told who (half are told how many) of their neighbors chose to take up the desludging subscription. Individual-level randomized treatments: Subsidy levels: subsidy levels are randomized at the household level, and the number of high versus low subsidies varies across the different clusters. Payment frequency: households receive reminders to save for their desludgings, and the frequency with which they are asked to pay in the reminders varies between at will, monthly, and payment at the time of service. Earmarking treatment: some households are offered one earmarked desludging account while others are offered two accounts (one earmarked and one general savings account) Commitment deposit treatment: 87% of households are asked to pay a deposit toward a subsidized desludging, a randomly selected 13% are not asked to pay a deposit. Spillover estimation: 2 households per cluster are selected to be surveyed but not receive the treatment or the subsidies. We observe whether these households are more likely to take up when there are more households with high discounts in their neighborhood.
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