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Subsidies and the African Green Revolution

其他書名	Direct Effects and Social Network Spillovers of Randomized Input Subsidies in Mozambique
出版	National Bureau of Economic Research, 2019
URL	http://books.google.com.hk/books?id=CpV90AEACAAJ&hl=&source=gbs_api

註釋The Green Revolution bolstered agricultural yields and rural well-being in Asia and Latin America, but bypassed sub-Saharan Africa. We study the first randomized controlled trial of a government-implemented input subsidy program (ISP) in Africa. A temporary subsidy for Mozambican maize farmers stimulates Green Revolution technology adoption and leads to increased maize yields. Effects of the subsidy persist in later unsubsidized years. In addition, social networks of subsidized farmers benefit from spillovers, experiencing increases in technology adoption, yields, and beliefs about the returns to the technologies. Spillovers account for the vast majority of subsidy-induced gains. ISPs alleviate informational market failures, stimulating learning about new technologies by subsidy recipients and their social networks.