Paul Samuelson, Tjalling Koopmans, and Richard Stone. "Report of the evaluative committee for Econometrica." Econometrica- journal of the Econometric Society. (1954): 141-146.
“Econometrics may be defined as the quantitative analysis of actual economic phenomena based on the concurrent development of theory and observation, related by appropriate methods of inference.”
Paul Samuelson, Tjalling Koopmans, and Richard Stone. "Report of the evaluative committee for Econometrica." Econometrica- journal of the Econometric Society. (1954): 141-146.
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Tjalling Koopmans 16
Dutch American economist 1910–1985Related quotes

Paul Samuelson, Tjalling Koopmans, and Richard Stone. "Report of the evaluative committee for Econometrica." Econometrica- journal of the Econometric Society. (1954): 141-146.
1950s–1970s
Source: 1940s - 1950s, Theory of Experimental Inference (1948), p. 256; cited in Douglas, H.E. (2009) Science, Policy, and the Value-Free Ideal

Accordingly, the quantitative study of economic phenomena here considered may be termed econometrics.
Frisch (1927) as quoted in Divisia 1953, pp.24-25; Cited in: Bjerkholt, Olav. " Ragnar Frisch and the foundation of the Econometric Society and Econometrica http://www.ssb.no/a/histstat/doc/doc_199509.pdf." ECONOMETRIC SOCIETY MONOGRAPHS 31 (1998): 26-57.
Lead paragraph of a memorandum on the importance of establishing the journal "Oekonometrika"
1920
Source: The Role of Measurement in Economics. 1951, p. 12

Source: 1950s, The development of operations research as a science, 1956, p. 265, the lead paragraph ; Cited in: Joe Kelly (1969) Organizational behaviour. p. 26.

Progress, Coexistence and Intellectual Freedom (1968)
Context: We regard as "scientific" a method based on deep analysis of facts, theories, and views, presupposing unprejudiced, unfearing open discussion and conclusions. The complexity and diversity of all the phenomena of modern life, the great possibilities and dangers linked with the scientific-technical revolution and with a number of social tendencies demand precisely such an approach, as has been acknowledged in a number of official statements.
Source: On organizational learning (1999), p. 126: as cited in: Kenneth D. Shearer, Robert Burgin (2001) The Readers' Advisor's Companion. p. 39
Source: Transforming qualitative information (1998), p. vi-vii.