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Paying Attention to Technology Innovations: Experimental Evidence from Renewable Energy Markets in Africa
(World Bank, Washington, DC, 2019-05-15) Coville, Aidan; Orozco, Victor; Reichert, Arndt
This paper presents results from a randomized field experiment that examined the effects of mass media campaigns informing about a new technology on the adoption decisions of households in rural Senegal. While some communities were exposed to a campaign broadcasted on national radio that informed households about the general benefits and quality of solar lamps, other communities were exposed to the same radio campaign complemented with information that singled out the most suitable lamp type for all main technological applications. The authors exploit the difference between the two campaigns to examine the extent to which certain information characteristics matter for the uptake of the technological innovation. Results from our experiment show that information on optimal lamp types was required to increase adoption of solar lamps on the extensive margin (more people investing in lamps). However, the type-unspecific information increased adoption on the intensive margin (existing users investing in more lamps). These findings can be explained by a simple learning model of selective attention that the authors adjusted to the study setting, where households engage in home production and spend time as well as mental energy to learn about technological features that maximize returns.
Land Titles, Investment, and Agricultural Productivity in Madagascar : A Poverty and Social Impact Analysis
(World Bank, Washington, DC, 2006-06) Jacoby, Hanan; Minten, Bart
This report examines the question of land titling in Madagascar, a country where modern and informal tenure systems coexist and overlap to a significant extent. The report reviews three main arguments for land titling and their relevance for Madagascar in order to provide policy implications and evaluations. The first is that land titling serves as protection against expropriation. Second, titles may also facilitate land transactions. Last, that owning titled land improves access to formal credit or increases the volume of formal credit conditional on access. The report concludes that it is not obvious that expanded land titling, or community-based land registration, constitutes the best route to attaining distributional objectives, since wealth is increasing in landholdings. A cost benefit analysis based on the findings suggest that it would not be economical to expand the system of formal titling in rural Madagascar and that the three main arguments do not justify maintaining this system.