Developing countries required under the WTO TRIPs agreement to provide some intellectual property protection for plants are choosing Plant Breeders' Rights (PBR). TRIPs specifies only an “effective sui generis system” without further clarification. This article develops an “effective”...

Pre- and post-release adoption studies for rBST are evaluated for insights into improving ex ante projection methodologies. The conclusion is drawn that user surveys can provide reasonable projections, but the following factors require consideration. The sigmoid curve fits the data well, but the...

Building on the evidence from the impact of hybrid technology on varietal diversity loss, this paper explores ex ante the possible effects of introduction of Bt eggplant on on-farm varietal diversity of eggplant. The public–private partnership involved in the development and introduction of Bt...