共 13 条
[11]
A Theoretical Foundation for the Gravity Equation[J] . James E. Anderson.The American Economic Review . 1979 (1)
[12]
The Effect of the EEC and EFTA on European Trade: A Temporal Cross-Section Analysis[J] . Norman D. Aitken.The American Economic Review . 1973 (5)
[13]
Exaggerated Reports on the Death of Distance:Lessonsfroma Meta-Analysis .2 Disdiez A.C,Head K. . 2004