The Theory of Duopoly
I. Introduction, 565. — II. Maximization of joint profit as a solution, 566. — III. The contract curve, as a solution, 569. — IV. The contract curve and its resemblance to what businessmen think they are doing, 573. — V. The contract curve and realistic conditions, 574. — VI. Extension of the contract curve to oligopoly, 575. — VII. Use of mark-up on prime costs, 576. — VIII. Extension of the contract curve to non-price competition, 580. — IX. Conclusion, 581. — Appendix, 582.