“…Many theoretical and empirical studies have illustrated the significant impact of macroeconomic disturbances on agriculture. The bulk of the empirical literature by Chambers (1981Chambers ( , 1984Chambers ( , 1985; Chambers andJust (1981, 1982); Belongia and King; Barnett, Bessler, and Thompson;andBelongia (1984, 1986), for example, has focused on the effects of monetary variables and exchange rates on agricultural prices, exports and inventories. While the theoretical literature has generally addressed these same issues, recent structural models of commodity price determination by Bond, Chambers, Frankel and Hardouvelis, and Frankel emphasize the important role of expectations concerning macroeconomic disturbances in the price formation process.…”