On the Distribution of Crop Yields: Does the Central Limit Theorem Apply?

Phoebe Koundouri () and Nikolaos Kourogenis

American Journal of Agricultural Economics, 2011, vol. 93, issue 5, 1341-1357

Abstract: In this article, we investigate the applicability of the central limit theorem (CLT) to aggregate crop yields. We argue that the aggregation of elementary crop yields is likely to produce nonnormal distributions if, contrary to the standard CLT case, the number of crop acres exhibits substantial time variation. This case is covered by limit theorems for random sums of random variables, which predict nonnormal limiting distributions. The case of substantial variation in the number of summands produces an empirical hypothesis that we test using data from U.S. aggregate state crop yields. The results provide empirical support against the applicability of the CLT. Copyright 2011, Oxford University Press.

Date: 2011
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Working Paper: On the Distribution of Crop Yields: Does the Central Limit Theorem Apply? (2010)
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Persistent link: https://EconPapers.repec.org/RePEc:oup:ajagec:v:93:y:2011:i:5:p:1341-1357

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