1. An Inframarginal Analysis of the Heckscher-Olin Model with Transaction Costs and Technological Comparative Advantage Cheng, Wen Li; Sachs, Jeffrey D.; Yang, Xiaokai 1999 Reports Managerial economicsCommerceEconomics
2. Pattern of Trade and Economic Development in the Model of Monopolistic Competition Sachs, Jeffrey D.; Yang, Xiaokai; Zhang, Dingsheng 1999 Reports Managerial economicsCommerceEconomics