This paper briefly presents the results of a total factor productivity (TFP) study of South African commercial agriculture, for 1947-1997, and illustrates some potential pitfalls in rate of return to research (ROR) calculations. The lag between R&D and TFP is analyzed and found to be only 9...

Subsidised energy prices in pre-transition Hungary had led to excessive energy intensity in the agricultural sector. Transition has resulted in steep input price increases. In this study, Allen and Morishima elasticities of substitution are estimated to study the effects of these price changes...

Books Reviewed include: Sustainable Development in Asia, America and Europe with Global Applications: A New Approach to Land Ownership by Jian-Ming Zhou; Agricultural Science Policy: Changing Global Agendas by Julian M. Alston, Philip G. Pardey, and Michael J. Taylor; Planning Agricultural...

Studies of the rates of return to research have usually been based on the implicit assumption that if there were no research, then there would be neither growth nor decline in output or productivity. In the case of livestock, particularly in southern Africa, which has a sub-tropical disease...