This study attempts to reconcile divergent results between two previous studies of CRJprice affects for supermarkets. A more complete data set from Kaufman and Handy is used in an earlier model by Marion et al. to determine if the differences are attributable to (1) model specifications, (2)...

Allowing animal patents provides potential benefits and costs for livestock producers. Costs, considered here, are royalty payments and collection mechanisms, made more complex by the unknown future distribution of multiple patented traits in the herd. This article evaluates three proposed...