References Ausubel, L.M. and P. Cramton (2002), Demand reduction and inefficiency in multi-unit auctions. Basu, K. (1993), Lectures in Industrial Organization Theory, Oxford, Blackwell. Bloch, F. (1996), Sequential formation of coalitions in games with externalities and fixed payoff division, Games and Economic Behavior 14, 90-123. Bloch, F. (2005), Group and net formation in Industrial Organization: A survey, in G. Demange and M. Wooders (eds.), Group Formation in Economics: Networks, Clubs, and Coalitions, Cambridge, Cambridge University Press, 335-53. Capon, N. (2001), Key Account Management and Planning, New York, The Free Press. Chipty, T. and C.M. Snyder (1999), The role of firm size in bilateral bargaining: A study of the cable television industry, The Review of Economics and Statistics 81, 326-40. Ellison, S.F. and C.M. Snyder (2001), Countervailing power in wholesale pharmaceuticals, MIT Dept. of Economics Working Paper No. 01-27. Innes, R. and R.J. Sexton (1994), Strategic buyers and exclusionary contracts, American Economic Review 84, 566-84. Johnston, M.W. and G.W. Marshall (2003), Churchill/Ford/Walkers’s Sales Force Management, New York, McGraw-Hill/Irwin. Klemperer, P.D. and M. Meyer (1989), Supply function equilibria in oligopoly under uncertainty, Econometrica 57, 1243-77. Salant, S.W., Switzer, S. and R. Reynolds (1983), Losses from horizontal merger: the effects of an exogenous change in industrial structure on Cournot-Nash equilibrium, Quarterly Journal of Economics 98, 185-99. Segal, I.R. and M.D. Whinston (2000), Naked exclusion: Comment, American Economic Review 90, 296-309. Stole, L., and J. Zweibel (1996), Intra-firm bargaining under non-binding contracts, Review of Economic Studies 63, 375-410. Vickrey, W. (1961), Counterspeculation, auctions, and competitive sealed tenders, Journal of Finance 16, 8-37. Wang, R. (1993), Auctions versus posted-price selling, American Economic Review 83, 838-851. Wang, R. (1995), Bargaining versus posted-price selling, European Economic Review 39, 1747-1764.