Several two-stage multiple testing procedures have been proposed to detect gene-environment interaction in genome-wide association studies. In this article, we elucidate general conditions that are required for validity and power of these procedures, and we propose extensions of two-stage...

Expansion of the ethanol industry depends on a mix of low grain prices, stable or increasing petroleum prices through the 1990s, and assurance that subsidies for production will continue through 2000 or beyond. While expansion of the ethanol industry would increase ethanol's contribution to...

Implications of real cash balances as a productive input in agricultural production are explored. A system of aggregate input demand functions for agriculture including real cash balances is formulated and estimated, assuming that producers minimize input costs for a given output level....

In this paper, we develop atheoretically consistent framework to incorporate theenvironmental effects of agricultural production andthe depletion of natural capital caused byagricultural production into the existing incomeaccounts. We apply the framework and adjust theincome attributed to the...