Beef is a heterogeneous commodity, which makes it difficult to compare beef prices in an international level. This paper evaluates several methods of comparing beef prices to be used in measuring both comparative advantage and protection. The most suitable method is one that compares the prices...

Approaches to the specification of demand systems and the estimation of demand parameters have expanded considerably during recent years (Blundell, 1988). Available empirical estimates have been based on time-series, cross-section, and time-series of cross-section data on individuals, households...