Australian Bureau of Agricultural and Resource Economics

association of University and Government economists interested in agricultural trade. Its purpose is to foster interaction, improve research capacity and to focus on relevant trade policy issues. It is financed by United States Department of Agriculture (ERS, FAS, and CSRS) , Agriculture Canada and the participating institutions. The IATRC Working Paper series provides members an opportunity to circulate their work at the advanced draft stage through limited distribution within the research and analysis community. The IATRC takes no political positions or responsibility for the accuracy of the data or validity of the conclusions presented by working paper authors. Further, policy recommendations and op1n1ons expressed by the authors do not necessarily reflect those of the IATRC or its funding agencies. This paper should not be quoted without the author(s) permission