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...

Genetic resources were once treated as a common heritage, available without restriction for research and other usage. The system was perceived as contributing to a rapid extinction rate and as unfair to developing countries -the major source of genetic resources. Since the Biodiversity...