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 civility apprehend： 《中世纪贸易制度比较和西方兴起：大裂变》 Read works of Avner Greif at 百家争鸣

　　Professor of Economics at Stanford University, Stanford Center for International Studies Senior Fellow. Northwestern University received a Ph.D. in 1989. Committed to the common development of the market analysis of comparative history of the system. Game Theory Society and founder of the International Society for New Institutional Economics is one.