Price differentials for Hard Red Spring and Hard Red Winter wheat of different protein levels are examined in this study.

The relationship between prices and quality variables is an important area of research particularly for the more specialized commodities. Price quality relationships are analyzed in this study in the case of malting barley.

Stochastic frontier analysis, which is used to estimate the technical efficiency, is extended to examine the market structure, conduct and performance hypothesis for the U.S. trucking industry. The technical efficiency measure takes into account not only the relationship between inputs used in...