共 8 条
[6]
Gravity models: a reformulation and an application to discriminatory trade arrangements[J] . Victor Oguledo,Craig R. Macphee.Applied Economics . 1994 (2)
[7]
The Generalized Gravity Equation, Monopolistic Competition, and the Factor-Proportions Theory in International Trade[J] . The Review of Economics and Statistics . 1989 (1)
[8]
Economic Integration among Developed, Developing and Centrally Planned Economies: A Comparative Analysis[J] . The Review of Economics and Statistics . 1985 (4)