3Margaret C. Levenstein and Valerie Y. Suslow Working Paper: The Changing International Status of Export Cartel Exemptions,http://ssm.com/abstract=618201.
2Williamson,O.E.(1968)."Economies as an Antitrust Defense: The Welfare Tradeoffs."[J]American Economic Review 58: 18～36.
3Bhattacharjea,A.(2002a)."Foreign Entry and Domestic Welfare: Lessons for Developing Countries. "[J]Journal of International Trade and Economic Development 11:143.
