5Armington P. A theory of demand for products distinguished by place of production [J]. IMF Staff Paper, 1969, (16) : 159-178.
6Dapeng Hu. Trade, rural-urban migration, and regional income disparity in developing countries: a spatial general equilibrium model inspired by the case of China [J]. Regional Science and Urban Economics, 2002, (32): 311-338.
7Ethier W. National and international returns to scale in the modem theory of international trade American[J]. Economic Review, 1982, (72): 950-959.
8Fujita M, Hu D. Regional disparity in China: Effects of globalization and economic liberalization [J]. The Annals of Regional Science, 2001, (35) : 3-37.
9Krugman P. Increasing returns and economic geography [J]. Journal of Political Economics, 1991, (99):483-499.
10Krugman P, Venables A. Globalization and the Inequality of Nations [R]. NBER Working Paper, 1995, (5098).