NOVAFRICA Seminar: “Spillovers without Social Interactions in Urban Sanitation”
While there is substantial evidence that social network effects are important in encouraging technology adoption in rural environments, there is little evidence on these mechanisms in urban environments. We conduct a randomized controlled trial with 4000 households in urban Dakar to study four mechanisms which might explain spillovers which increase adoption of mechanized desludging in an urban environment: social pressure, reciprocity, learning from others, and increasing returns. We do not find evidence of social pressure, reciprocity, or learning from others. We do find evidence suggestive of increasing returns to scale: as more neighbors adopt more sanitary technologies, it seems to become more worthwhile for other households to adopt as well.
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Nova SBE NOVAFRICA Knowledge Center
NOVAFRICA is a knowledge center created by the Nova School of Business and Economics of the Universidade Nova de Lisboa in 2011. Its mission is to produce expertise with an impact on business and economic development in Africa. A particular focus is on Portuguese-speaking Africa, i.e., Angola, Cape Verde, Guinea-Bissau, Mozambique, and Sao Tome and Principe.Website
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