The Equilibrium Impact of Agricultural Risk on Intermediate Inputs and Aggregate Productivity

Transportation Costs, Agricultural Productivity, and Cross-Country Income Differences

Kevin Donovan

The Review of Economic Studies, 2021, vol. 88, issue 5, 2275-2307

Abstract: I consider the aggregate impact of low intermediate input intensity in the agricultural sector of developing countries. In a dynamic general equilibrium model with idiosyncratic shocks, incomplete markets, and subsistence requirements, farmers in developing countries use fewer intermediate inputs because it limits their exposure to uninsurable shocks. The calibrated model implies that Indian agricultural productivity would increase by 16% if markets were complete, driven by quantitatively important increases in both the average real intermediate share and measured TFP through lower misallocation. I then extend the results to consider the importance of risk in other contexts. First, the introduction of insurance decreases cross-country differences in agricultural labour productivity by 14%. Second, scaling the introduction of improved seeds to decrease downside risk reduces inequality by reallocating resources from rich to poor farmers via equilibrium effects. This reallocation substantially increases aggregate productivity relative to what would be expected from extrapolating the partial equilibrium impact.

Keywords: Agriculture; General equilibrium; Intermediate inputs; Misallocation; Productivity; Risk; O11; O41 (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:oup:restud:v:88:y:2021:i:5:p:2275-2307.

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