期刊名称：Discussion Papers / Norwegian School of Economics and Business Administration
印刷版ISSN：0804-6824
出版年度：2005
卷号：2005
出版社：Bergen
摘要：We thank Anna Andersson, Kurt Brännäs, Ola Grytten, Philip Hardwick, Kul Luintel,
Erik Sørensen, Damian Ward, and Hong Zou for their comments and assistance. The
paper also benefited from the suggestions of commentators at a seminar held at the
Department of Economics, University of Umeå, Sweden. However, the normal
disclaimer applies.
