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Revisiting Rates of Return to Agricultural R&D Investment

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  • Alejandro Nin Pratt
  • Eduardo Magalhaes

Abstract

This study proposes the use of partial least squares to determine the key parameters of the perpetual inventory method model of capital stock as a new approach to calculate research and development (R&D) knowledge stocks and R&D elasticities. This approach avoids most of the major problems encountered in the literature that lead to obtaining very high and implausible rates of return to agricultural R&D...Using this approach, we obtain an average R&D elasticity for low- and middle-income (LM) countries of 0.23 and an average rate of return to R&D investment of 6.0 percent, bigger than the average discount rate of 4.2 percent for these countries. Results show that 60 percent of LM countries in our sample are underinvesting in agricultural R&D, as they can get higher returns by investing in this activity than in activities that return the social discount rate. [IFPRI Discussion Paper 01718]

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  • Alejandro Nin Pratt & Eduardo Magalhaes, 2018. "Revisiting Rates of Return to Agricultural R&D Investment," Working Papers id:12723, eSocialSciences.
    • Handle: RePEc:ess:wpaper:id:12723
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    1. Jonathan Brooks, 2023. "Agricultural policies and food systems: Priorities for indicator development," Journal of Agricultural Economics, Wiley Blackwell, vol. 74(1), pages 3-23, February.

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