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discussion paper

Revisiting rates of return to agricultural R&D investment

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…

discussion paper

Farmers’ crop choice decisions: Trends and determinants in Nigeria and Uganda

This study investigates the determinants of farmers’ crop choice decisions, crop area diversification, and income diversification in Sub-Saharan Africa using nationally representative panel data for Nigeria and Uganda. We use both the shares of land…

discussion paper

Can contract farming in organic basmati rice be a boon to smallholders? Evidence from India

Demand for organic basmati rice (OBR), both at home and abroad, coupled with policy reforms in India have given rise to contract farming (CF) production in that nation. OBR production, however, is highly susceptible to weather and pest risks. This…

discussion paper

Correlated non-classical measurement errors, ‘second best’ policy inference and the inverse size-productivity relationship in agriculture

We show analytically and empirically that non-classical measurement errors in the two key variables in a hypothesized relationship can bias the estimated relationship between them in any direction. Furthermore, if these measurement errors are…

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