Main content

Econometric Models of Crop Yields: Two Essays

Show full item record

Title: Econometric Models of Crop Yields: Two Essays
Author: Tolhurst, Tor
Department: Department of Food, Agricultural and Resource Economics
Program: Food, Agriculture and Resource Economics
Advisor: Ker, Alan P
Abstract: This thesis is an investigation of econometric crop yield models divided into two essays. In the first essay, I propose estimating a single heteroscedasticity coefficient for all counties within a crop-reporting district by pooling county-level crop yield data in a two-stage estimation process. In the context of crop insurance---where heteroscedaticity has significant economic implications---I demonstrate the pooling approach provides economically and statistically significant improvements in rating crop insurance contracts over contemporary methods. In the second essay, I propose a new method for measuring the rate of technological change in crop yields. To date the agricultural economics literature has measured technological change exclusively at the mean; in contrast, the proposed model can measure the rate of technological change in endogenously-defined yield subpopulations. I find evidence of different rates of technological change in yield subpopulations, which leads to interesting questions about the effect of technological change on agricultural production.
URI: http://hdl.handle.net/10214/6764
Date: 2013-05


Files in this item

Files Size Format View
Tolhurst_Tor_201305_Msc.pdf 664.5Kb PDF View/Open

This item appears in the following Collection(s)

Show full item record