“It is worth pointing out that in this particular study our authors have abandoned demand and supply functions as a tool for analysis, even as applied to individuals… [The problem] has been reformulated as one of proving that a number of maximizations of individual goals under interdependent restraints can be simultaneously carried out.”
Source: Three Essays (1957), p. 60, as cited in: Mitra-Kahn, Benjamin H. "General Equilibrium Theory, its history and its relation (if any) to the Market Economy." (2005).
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Tjalling Koopmans 16
Dutch American economist 1910–1985Related quotes

Source: The Hero with a Thousand Faces (1949), Chapter 2, page 87 (New World Library, 2008)
Context: (...) we today (in so far as we are unbelievers, or, if believers, in so far as our inherited beliefs fail to represent the real problems of contemporary life) must face alone, or, at best, with only tentative, impromptu, an not often very effective guidance. This is our problem as modern 'enlightened' individuals, for whom all gods and devils have been rationalized out of existence.

Source: The Image: A Guide to Pseudo-Events in America (1961), p. 257.

Source: The Plot: The Secret Story of the Protocols of the Elders of Zion (10/2/2005), p.83

Preface of M. Quetelet
A Treatise on Man and the Development of His Faculties (1842)

Source: Money Mischief (1992), Ch. 2 The Mystery of Money
Rose Rosengard Subotnik (1987). "On grounding Chopin", Music and Society: The Politics of Composition, Performance, and Reception. Cambridge: Cambridge University Press. ISBN 0521379776.

Arrow, Kenneth J., and Gerard Debreu. " Existence of an equilibrium for a competitive economy http://cowles.econ.yale.edu/P/cp/p00b/p0087.pdf." Econometrica: Journal of the Econometric Society (1954): p. 265

Source: 1950s-1960s, "Existence of an equilibrium for a competitive economy." 1954, p. 265