Abstract :
This paper represents solely the views of the author and does not represent the views of the U.S. International Trade Commission or any of its Commissioners. I would like to thank John Benedetto, Devry Boughner, Nannette Christ, Cindy Cohen, Judy Dean, Cathy DeFilippo, Alan Fox, John Giamalva, Mitch Ginsburg, Bob Koopman, Craig Thomsen, Steve Trost, James Worth, seminar participants at the Western Economics Association International Meetings, the editor, and two anonymous referees for their invaluable comments and suggestions. The author is solely responsible for any remaining errors.
