00467nam a2200181Ia 4500 9812389296 380.13 Y21.IA Yang, Xiaokai An inframarginal approach to trade theory New Jersey World Scientific 2005 xi, 525p. Bibl. Index. Increasing returns and inframarginal Economics v. 1 0 0 0 0 ISI ISI 2006-08-30 SBD 431396.00 0 380.13 Y21.IA DP27543 2019-02-14 00:00:00 2019-02-14 BK Ord num:6851; Ord dt:2006-08-25 28071 28071 28071