A better understanding of the relationship between public investments in agricultural R&D and the productivity enhancing benefits they produce is critical to informing the public funding of agricultural R&D and insuring future increases in agricultural productivity. This paper describes a method...

Some have suggested that the US food stamp program (FSP) should be revised with a view to combating obesity among the poor. In this paper, we assess the likely impacts of allowing FSP participants to purchase only healthy foods when using food stamps. Our results indicate that FSP participants...

Many commentators have claimed that farm subsidies have contributed significantly to the "obesity epidemic" by making fattening foods relatively cheap and abundant. But U.S. farm policies have generally small and mixed effects on farm commodity prices, which in turn have even smaller and still...