An econometric procedure for estimating Arrow-Pratt coefficients of risk aversion is derived. The model of farmers allocating land among different crops, and time between leisure and labor, allows for testing Arrow's hypotheses of decreasing absolute risk aversion and increasing relative risk...

Previous work on bioprospecting has suggested that the potential market returns to genetic resource conservation are likely to be inconsequential. This article shows that when the buyers of genetic resource options are also competitors in patent races, sellers can extract all the surplus...