Agriculture. Office of Industries working papers are the result of ongoing professional research of individual authors. This paper’s views do not necessarily represent those of the U.S. International Trade Commission (USITC) or any of its individual Commissioners. Working papers are circulated to promote the active exchange of ideas between USITC staff and recognized experts outside the USITC, and to promote professional development of Office staff by encouraging outside professional critique of staff research. The authors are grateful to the expert assistance received from Ms. Phyllis Boone in formatting this report and from Ms. Janice Wayne for formulating the plotted graph. ADDRESS CORRESPONDENCE TO
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