著者名 書名 版表示 出版者名 出版年 シリーズ名 番号 ISBN ISSN URL Baumol, William J. and Gomory, Ralph E. National trade conflicts caused by productivity changes : the analysis with full proofs C.V. Starr Center for Applied Economics : New York University. Faculty of Arts and Science. Dept. of Economics 1998 Economic research reports RR#98-35 https://ci.nii.ac.jp/ncid/BA44082720