Traditional spatial equilibrium models have assumed that markets are either perfectly competitive or monopolistic. In this paper, a generalized spatial equilibrium model is developed which allows for any degree of market conduct from perfect competition to monopoly. The model incorporates a...

A generalization of Takayama and Judge's spatial equilibrium model that allows for any degree of market structure is presented. The model is applied to the Japanese dairy industry to examine interregional milk movements generated under alternative assumed degrees of market competition. The...

In this article, a spatial equilibrium model that allows for the inclusion of any degree of market structure from perfect competition to monopoly is developed and applied to the U.S. dairy industry. This model is used to simulate possible Class I premiums, which could be negotiated by U.S. dairy...

This article examines whether the assumption of perfect competition in the U.S. dairy industry biases the findings of economic impacts of generic dairy advertising. An imperfect competition model based on an approach similar to that of Appelbaum is developed and used to evaluate generic milk...

The objective of this paper is to present a comprehensive, multi-regional trade model which includes all types of state trading enterprises (STEs) as well as other domestic and trade policies. The model is applied to measure the effects of STEs on the world wheat sector, where exports and...