共 35 条
[3]
[Anonymous], 1993, ORIGINS ORDER
[4]
[Anonymous], 136 CID
[5]
[Anonymous], W11040 NBER
[7]
DIXIT AK, 1977, AM ECON REV, V67, P297
[8]
Gaulier G., 2009, BACI: International Trade Database at the Product-level The 1994-2007 Version