共 15 条
- [1] Gravity with gravitas: A solution to the border puzzle [J]. AMERICAN ECONOMIC REVIEW, 2003, 93 (01) : 170 - 192
- [2] ANDERSON JE, 1979, AM ECON REV, V69, P106
- [6] DEARDOFF AV, 1995, 5377 NBER
- [8] Helpman E., 1985, Market structure and foreign trade
- [9] HOGAN P, 1991, EC DEV I SEMINAR SER
- [10] LEDERMAN D, 2006, 4044 WORLD BANK POL