7Davidson C, Deneckere R.Excess capacity and collusion[J] . International Economic Review, 1990,31(3) : 521-541.
8Benoit J P, Krishna V. Dynamic duopoly : Prices and quantities[J ]. Review of Economic Studies, 1987, 54: 23-36.
9Bloch F. Sequential formation of coalitions in games with externalities and fixed payoff division[J] . Games and Economic Behavior, 1996, 14.. 90-123.
10Morasch K. Strategic alliances as Stackelberg cartels--concept and equilibrium alliance structure[J]. International Journal of Industrial Organization, 2000, 18: 257-282.
