Takeshi Nakatani: "A Study on Trade Imbalances by Direction of Trade Statistics from 1980 to 1992" Discussion paper No.9613, Kobe University, Faculty of Economics, March 1997, joint paper with Y.Yasumatsu.

Takeshi Nakatani：“A Study on Trade Imbalances by Direction of Trade Statistics from 1980 to 1992” 讨论论文第 9613 号，神户大学经济学院，1997 年 3 月，与 Y.Yasumatsu 联合论文。