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Technology adoption and pro-social preferences

Abstract : In this paper, I study the design of least cost technology adoption subsidy schemes when the individuals' decisions are affected by peer effects and pro-social motivations. I show that pro-social preferences lead to lower individual subsidies whether peer effects are positive or negative. However, the form of the optimal scheme strongly depends on the type of peer effects. When peer effects are positive pro-social preferences lead to an increase in objective inequality -the difference between individual material payoffs- while they lead to a decrease in subjective inequality -the difference between individual utility levels. When peer effects are negative, the optimal subsidy scheme is uniform, that is all the individuals receive the same subsidy. The model delivers insights for the design of a large range of intervention programs supporting the adoption of new technologies, both in contexts where peer effects are positive (as has been shown in the case of malaria prevention technologies and modern agricultural inputs) and in contexts where peer effects are negative (as has been shown in the case of deworming pills).
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Contributor : Laurent Garnier <>
Submitted on : Wednesday, July 15, 2020 - 5:09:38 PM
Last modification on : Monday, February 1, 2021 - 4:02:31 PM


WP 2019-19_V2.pdf
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  • HAL Id : halshs-02291905, version 3


Raphaël Soubeyran. Technology adoption and pro-social preferences. 2019. ⟨halshs-02291905v3⟩



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