I. Introduction, 515. — II. Early origins in railway rate theory: oligopoly, 517. — III. Process, structure and logic, 520. — IV. “Competing monopolists” and the literature of business, 524. — V. The attack on Marshall, 532; oligopoly, 533, increasing returns, 534, the representative firm and dynamic problems, 538. — VI. Marshall on monopolistic competition, 540.

I. The price system and the firm, 399. — II. The control of information, 402. — III. Information and expectations, 405. — IV. The division of knowledge, 411. — V. The firm's decision mechanism, 417. — VI. Conclusion, 420.

I. The main argument, 451. — II. Problems of time series including more than two years, 457. — III. The aggregation of inputs as well as outputs for the measurement of “efficiency,” 459. — IV. The treatment of “new products” in input and output indexes, 465.