Introduction, 513. — Problem of objectivity, 513. — Problem of rationality, 515. — Modern welfare theories and scientific methods, 515. — Conclusion, 521.

I. Introduction, 159. — II. Agriculture, public finance, international finance, consumption, theory of the firm, population theory, economics of growth, 161. — III. Welfare economics, national economic planning, methodological developments, 168. — IV. Conclusion, 179.

Introductory; two sets of conditions where price policy presents special problems, 231; already noted by various writers, 232.— Hotelling's case, 233.— The graphical solution of the problem, 233; and alternative algebraic method, 235.— Possible growth of monopoly, 242.— Price differentiation, 243.— Modifications of the case, different or varying transport costs, 245; varying costs of production, 245; the question of location, 248; elasticity in demand, 248.— Outside competition, 250. — Dynamic considerations in practice, 252.— Inadequacy of pure monopoly approach, 253.— Conclusion, 253.