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...

This paper presents a model of estimated demand for four tobacco products: cigarettes, cigars, chewing tobacco, and smoking tobacco products. Own elasticities and cross-price elasticities are used to obtain insights into the effectiveness and implications of new policy measures. Of particular...

This paper generalizes the standard error correction model and applies this more general modeling procedure to an analysis of the spinach e-coli outbreak on consumer demand.

US soybean exports to seven major markets are estimated with linear, log-linear, and Box-Cox specifications. Estimates from the three approaches are compared to address these issues regarding the agricultural trade literature functional form selection, longrun price elasticity estimates, and...

This paper presents a model of estimated demand for four tobacco products: cigarettes, cigars, chewing tobacco, and smoking tobacco products. Own elasticities and cross-price elasticities are used to obtain insights into the effectiveness and implications of new policy measures. Of particular...

This paper generalizes the standard error correction model and applies this more general modeling procedure to an analysis of the spinach e-coli outbreak on consumer demand.