Previous research on the estimation of income and price elasticities of U.S. import demand has indicated that these elasticities may have changed over time. To examine this issue, alternative specifications of the U.S. imporr demand function for the total time series and the fixed and flexible...

Special treatment for import sensitive products is a feature of all U.S. free trade agreements (FTAs). This paper conducts an empirica1 investigation of the determination of tariff-cut staging categories that emerged from negotiations to establish the North American Free Trade Agreement. Staging...

A commonly encountered problem in empirical research involves the choices researchers have to make with respect to data, research methodologies, and/or econometric estimation techniques. In many cases researchers are having to make these choices with less than perfect information. In such cases,...