CHAPTER XVI
PROFESSOR SELIGMAN'S PSYCHOLOGICAL DOCTRINE OF THE RELATIVITY OF VALUES
Professor Seligman's contributions to value theory—Points of difference between his views and those here maintained—His psychological doctrine of relativity—Different from doctrine of English School, which is a matter of logical definition—Values relative because there is fixed sum of values, and increase in one value can come only through decrease in other values—Criticism: psychological difficulties; diminution of all values in times of panics and epidemics; decrease of economic values through increase of religious and other values—Element of truth in Professor Seligman's doctrine—Relation between Professor Seligman's view and that of Professor Clark [162]
CHAPTER XVII
THE THEORY OF VALUE AND THE THEORY OF PRICES
Price and Preis—Price broadened to include all relations between values, whether money be involved or not—History of price-concept in English economics—Distinction between prices and values—Generalization of notion of price—Measurement of beliefs, etc., in terms of money—"Qualitative analysis" and "quantitative analysis"—Great bulk of economic theory, and virtually all that is valid and valuable in economic theory, has so far been in theory of prices, and not in theory of value—Methods of price analysis—Abstract units of value—Price theory and practical problems [175]
CHAPTER XVIII
THE THEORY OF VALUE AND THE THEORY OF PRICES (concluded)
Great work of Austrians really done in field of price theory—They have, without logical right, but with excellent results, assumed and used a quantitative, objective value concept—Distribution in relation to theory of value and theory of prices—Mill's treatment primarily from standpoint of fundamental value theory; later theories, as a rule, chiefly concerned with more superficial, but also more exact, price analysis of distributive problems—Theory of value not a substitute for detailed price analysis, but, rather, a presupposition of it—Prices have meanings, which only theory of value can explain [188]