Commodity levies are used increasingly to fund producer collective goods such as research and promotion. In the present paper we examine theoretical relationships between producer and national benefits from levy‐funded research, and consider the implications for the appropriate rates of...

Commissioned by the CGIAR Science Council and prepared as a Background Paper for the 2008 World Development Report of the World Bank.

Replaced with revised version of paper 07/10/09.

Replaced with revised version of paper 07/22/11. Former Title: Revisiting the Returns to U.S. Public Agricultural Research: New Measures, Models, Results, and Interpretation

Generic advertising has been a widely-used marketing tool of many agricultural industries. The strategy has come under increasing scrutiny lately, especially by levy-paying producers who fund the advertising. Also, for many food products, supermarket chains have developed and advertised their...

The literature on measuring the size and distribution of returns to research has paid increasing attention of late to questions that require a multimarket framework. These questions include the distribution of benefits among stages of a multistage process or among factors of production (i.e. the...

Econometric studies of the effects of research on productivity have typically imposed arbitrary restrictions on the length and shape of the R&D on productivity and the estimated rate of return to research. This paper argues that the useful stock of public knowledge depreciates, if at all, only...

Transgenic crops are relatively new technologies being adopted rapidly in the United States and in a few other countries. The economic impacts of these technologies have, thus far, been estimated in a piecemeal fashion. The purpose of this study was to collect and characterize the economic...

Selected Paper presented at the 57th annual conference of the Australian Agricultural and Resource Economics Society, Sydney, February 5-8, 2013.