The evolving privatization of the ejido system in Mexico represents a challenge to standard economic models of common property regimes. These models tend to emphasize human interrelations while discounting the ecological conditions which form the environment for human interactions. A...

The impacts of the North American Free Trade Agreement (NAFTA) on North American trade are described and analyzed using a variant of a gravity model. Controlling for the effects of real gross domestic product (GDP) and real exchange rates, the impacts of NAFTA on trade flows are statistically...

Fifteen lettuce and bagged salad shippers were interviewed as part of a larger study on changes in produce marketing. Retail consolidation, changes in technology, and increased consumer demand for convenience, product diversity, and year-round availability have all influenced shipper-retailer...

In this paper, we examine retail sales of organic and conventional frozen vegetables (broccoli, green beans, green peas, and sweet corn) using supermarket scanner data. Descriptive analysis includes comparisons of sales volume, prices, and market shares. Price and expenditure elasticities are...

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This paper addresses the economic feasibility and impacts on U.S. agriculture of establishing a biomass crops industry capable of producing 8 quads methanol or 9.4 quads ethanol by the year 2030 from grasses grown as biomass feedstocks. The results suggest that such an industry could become...

Traditional time series models assume a constant conditional variance. Realizing the implausibility of this assumption, Bollerslev proposed Generalized Autoregressive Conditional Heteroscedasticity (GARSH) processes, which are characterized by nonconstant conditional variances. In this paper,...