Some hypotheses about the timing of farmers becoming aware of an innovation and the subsequent decision to use that innovation are derived from a recently developed, decision-theoretic model of the adoption process. They are tested using empirical evidence on the time taken by early adopters of...

Replaced with revised version of paper 01/30/06.

Scholarly societies in economics (and many other professions) are clubs that provide members with a range of club goods, many of which have broader and economically significant spillover consequences for society at large. Yet surprisingly little is known about the historical evolution or current...

Notwithstanding the ambiguous research and productivity promoting effects of plant varietyprotections (PVPs), even in developed countries, many developing countries have adoptedPVPs in the past few years to comply with their Trade-Related Aspects of IntellectualProperty Rights (TRIPS)...

Notwithstanding the ambiguous research and productivity promoting effects of plant variety protections (PVPs), even in developed countries, many developing countries have adopted PVPs in the past few years to comply with their Trade-Related Aspects of Intellectual Property Rights (TRIPS)...