1.A.Jueland and S.Shugan.Managing Channal Profits[J]. Marketing Science,1983(2):239~2722.P. Rey and J.Stiglitz. Vertical Restraint and Producers Competition[J]. European Economic Review,1988,32:561~5683.Choi S.Chan.Price Competition in a Channel Structure with a Common Retailer[J].Markting Science,1991,10(4):271~2964.G.S...