The role played by “speculators” during the 2007/08 food price spike is lively disputed. Our analysis focuses on the increasing participation of index funds in agricultural commodity futures markets before the food price spike. Our central theme is to determine if their prespike massive...

Drawing on the method developed by Just and Pope (1978, 1979), this paper separately analyzes the marginal contributions of both regular input factors and climate factors to mean output and to production risk in Chinese inland aquaculture. Furthermore, the net change in output following a 1°C...