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	Tjalling Charles Koopmans, August 28, 1910—February 26, 1985 \| By Herbert E. Scarf \| Biographical Memoirs
		Koopmans was also one of the major scholars concerned with the study of economic growth and the economic consequences of the depletion of nonrenewable resources.
		Koopmans was born in the village of 's Graveland, near the town of Hilversum, in the Netherlands, on August 28, 1910; he was the third son of Sjoerd Koopmans and Wijtske van der Zee.
		Koopmans became the acknowledged leader of that school of econometrics, focusing on the problem of simultaneity and insisting on a complete probabilistic model of the data to be analyzed.
	www.nap.edu /html/biomems/tkoopmans.html (7514 words)

	Encyclopedia: Tjalling Koopmans
		Tjalling Charles Koopmans (August 28, 1910â“February 26, 1985) was the joint winner, with Leonid Kantorovich, of the 1975 Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel.
		Koopmans was born in 's Graveland in the Netherlands.
		Koopmans theorem is an approximation in molecular orbital theory, such as density functional theory, or Hartree-Fock theory, in which the first ionization energy of a molecule is equal to the energy of the highest occupied molecular orbital, the HOMO, and the electron affinity is the negative of the energy...
	www.nationmaster.com /encyclopedia/Tjalling-Koopmans (992 words)

	Tjalling Koopmans -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-09-07)
		Tjalling Charles Koopmans (August 28, 1910–February 26, 1985) was the joint winner, with (additional info and facts about Leonid Kantorovich) Leonid Kantorovich, of the 1975 (additional info and facts about Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel) Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel.
		Koopmans was born in 's Graveland in the (A constitutional monarchy in western Europe on the North Sea; achieved independence from Spain in 1579; half the country lies below sea level) Netherlands.
		In addition to mathematical economics, Koopmans extended his explorations to (The application of mathematics and statistics to the study of economic and financial data) econometrics and (A branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters) statistics.
	www.absoluteastronomy.com /encyclopedia/t/tj/tjalling_koopmans.htm (269 words)

	Scientific Papers of Tjalling C. Koopmans, Vol. 1
		Although we were greatly tempted to include a major portion of Koopmans' Ph.D. dissertation in mathematical statistics at the University of Leiden, we found that the entire dissertation was far too long and that a meaningful sub-section was difficult to extract because of the relative unfamiliarity of the basic approach to modern readers.
		It was during Koopmans' eleven years with the Cowles Commission for Research in Economics at the University of Chicago, from 1944 to 1955,that the compilers of this volume first came to know him.
		Tjalling Koopmans was born on August 28, 1910 at 's Graveland, a small town near Hilversum, in the Netherlands.
	cowles.econ.yale.edu /books/koopmans/sci-papers1.htm (1039 words)

	Tjalling Koopmans
		Tjalling Koopmans' family came from Freisland to the town of 's Graveland, near Hilversum.
		Tjalling, the third son, was born in 1910.
		Tjalling Koopmans remained with Yale and the Cowles Foundation the rest of his academic career, serving for a period as the director of the Cowles Foundation.
	www.sjsu.edu /faculty/watkins/koopmans.htm (942 words)

	Koopmans (Site not responding. Last check: 2007-09-07)
		Tjalling had two older brothers and all three boys attended the school of which their father, Sjoerd Koopmans, was the headmaster.
		Koopmans was appointed as a lecturer at the Netherlands School of Economics, Rotterdam, in 1936 where he spent a couple of years as a colleague of Tinbergen before moving to the League of Nations in Geneva.
		Koopmans was known to friends as a modest scholar, one committed to precise answers for narrow, well-defined questions, and as an accomplished amateur musician and chess enthusiast.
	www-groups.dcs.st-and.ac.uk /~history/Mathematicians/Koopmans.html (1199 words)

	Boston Globe Online / Table of Contents (Site not responding. Last check: 2007-09-07)
		Tjalling C. Koopmans, a winner of the 1975 Nobel Prize in economics and retired professor at Yale University, died Tuesday in Yale-New Haven Hospital after a brief illness.
		Koopmans was internationally known for his work in economic theory and mathematics and shared the Nobel Prize in 1975 with Leonid Kantrovich of the Soviet Union.
		Koopmans was a research associate at the University of Chicago from 1944 until he joined Yale in 1955 as a full professor.
	www.boston.com /globe/search/stories/nobel/1985/1985ao.html (299 words)

	Articles - Tjalling Koopmans (Site not responding. Last check: 2007-09-07)
		Tjalling Charles Koopmans (August 28, 1910 â€“ February 26, 1985) was the joint winner, with Leonid Kantorovich, of the 1975 Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel.
		Koopmans moved to the United States in 1940.
		His early works on the Hartree-Fock theory are associated to the Koopmans' theorem which is very well known in quantum chemistry.
	www.wathcesa.com /articles/Tjalling_Koopmans (292 words)

	Tjalling C. Koopmans
		The Dutch-born Tjalling Koopmans was a pioneer in the development of mathematical economics and econometrics.
		Koopmans was also instrumental in developing and popularizing the "Cowles Approach" to econometrics (1937, 1947, 1950) - or simply econometrics "as we knew it" before the time-series/VAR approach became popular.
		Koopmans was teaching at Yale when he shared the Nobel Memoiral Prize in 1975 with Leonid Kantorovich.
	cepa.newschool.edu /het/profiles/koopmans.htm (794 words)

	Koopmans, Tjalling C.,
		Koopmans was educated in mathematics and physics at the universities of Utrecht and Leiden, obtaining his Ph.D. in economics at Leiden in 1936.
		In 1944 Koopmans joined the Cowles Commission for Research in Economics at the University of Chicago, where he extended his technique to a wide variety of economic problems.
		When the commission was relocated to Yale University in 1955, Koopmans moved with it, becoming professor of economics at Yale.
	www.britannica.com /nobel/micro/327_17.html (265 words)

	Tjalling Charles Koopmans, Biography: The Concise Encyclopedia of Economics: Library of Economics and Liberty
		Koopmans was also like Kantorovich in generalizing his approach from one sector of the economy to the economy as a whole.
		Koopmans showed the conditions required for economy-wide efficiency in allocating resources.
		Koopmans was an economist with the Cowles Commission at the University of Chicago between 1944 and 1955, and then moved with the Cowles Commission to Yale University, where he became professor of economics until he retired in 1981.
	www.econlib.org /library/Enc/bios/Koopmans.html (324 words)

	Active Skim View of: Tjalling Charles Koopmans
		Soon after, Koopmans accepted Marschak's invitation to join the staff of the Cowles Commission, and thus began a long association—both with Marschak and the commission—that was to prove extraordinarily productive.
		In this paper and in a non-technical essay published in Econometrica, Koopmans demonstrated a sharp awareness of the relationship of these ideas to the fascinating discussion of socialist economic planning in the 1930s.
		By the early 1970s Koopmans may have felt that the mathematical revolution led by him had been too successful— that elaborate mathematical arguments were being advanced throughout the profession to the neglect of more immediate practical concerns.
	www.nap.edu /nap-cgi/skimit.cgi?isbn=0309052386&chap=262-291 (1327 words)

	[No title] (Site not responding. Last check: 2007-09-07)
		After studying mathematics and physics, Koopmans received his doctorate in economics from the University of Leiden in 1936.
		After moving to the United States in 1940, Koopmans began (1944) his association with the Cowles Commission for Research at the University of Chicago and became its director (1948-54).
		Koopmans worked for L.S. Ornstein at the time of the famous publication who was also at the U of Utrecht.
	www.ccl.net /cgi-bin/ccl/message.cgi?1993+02+24+002+raw (260 words)

	Scientific Papers of Tjalling C. Koopmans
		Forma1 mathematical models have become the major vehicle for the presentation of economic ideas-ideas which can then be examined with the logical precision and special methods of argument made available by the language of mathematics.
		Tjalling C. Koopmans was, and is, one of the leaders of this intellectual revolution.
		Koopmans has had many laurels be- stowed on him and has frequently beckoned the profession of economics into new and fruitful areas of inquiry; nevertheless, his work continues to have the directness and simplicity customarily associated with a young researcher in the early stages of his professional journey.
	cowles.econ.yale.edu /books/koopmans/scientific-papers.htm (755 words)

	Leonid Kantorovich
		Leonid Kantorovich and Tjalling Koopmans have both done their most important scientific work in the field of normative economic theory, i.e., the theory of the optimum allocation of resources.
		Professor Koopmans, for his part, has shown for instance that on the basis of certain efficiency criteria, it is possible directly to make important deductions concerning optimum price systems.
		To sum up, Professor Leonid Kantorovich and Tjalling Koopmans, largely independent of one another, have renewed, generalized, and developed methods for the analysis of the classical problem of economics as regards the optimum allocation of scarce resources.
	www.jewishvirtuallibrary.org /jsource/biography/kantorovich.html (840 words)

	The Tjalling C. Koopmans Econometric Theory Prize (Site not responding. Last check: 2007-09-07)
		TJALLING C. The Tjalling C. Koopmans Econometric Theory Prize is named in honor of Tjalling C. Koopmans, the 1975 Nobel Laureate in economic science, whose contributions to the development of econometrics are of fundamental and lasting importance to the subject.
		The selection of the winning article is made by the Advisory Board of the Journal and the criteria for selection is based on Tjalling Koopmans’ own research which is universally admired for its rigor, clarity and originality.
		All articles published in Econometric Theory are candidates for the prize except those that are authored or co-authored by the Editor and members of the Advisory Board.
	korora.econ.yale.edu /et/award/tck.htm (149 words)

	Awards and Prizes Given by Econometric Theory
		The situation is particularly severe in econometrics where the paucity of awards stands in contrast to the enormous growth of this part of the discipline in recent years.
		By its very nature, this prize is discretionary and the system of selection relies intimately on the judgment of the Journal's Advisory Editors and their personal assessments of the relative merits of a large number of potential candidate papers.
		This system of selection is especially appropriate because the award carries a coveted title that honors the memory of Tjalling Koopmans and his own distinguished contributions to the subject of econometrics.
	korora.econ.yale.edu /et/award/award.htm (622 words)

	Tjalling C. Koopmans at IDEAS
		This is information that was supplied by Tjalling Koopmans in registering through RePEc.
		If you are Tjalling C. Koopmans, you may change this information at RePEc.
		Postal Address: Tjalling C. Koopmans obtained the Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel in 1975 and died in 1985.
	ideas.repec.org /e/pko26.html (630 words)

	Tjalling C. Koopmans Winner of the 1975 Nobel Prize in Economics
		Tjalling C. Koopmans Winner of the 1975 Nobel Prize in Economics
		A Biographical Sketch of Tjalling Koopmans (submitted by Laura Forgette)
		Tjalling Charles Koopmans nació en Gravelinas (submitted by S5)
	almaz.com /nobel/economics/1975b.html (123 words)

	Koopmans, Tjalling Charles (Site not responding. Last check: 2007-09-07)
		Tjalling Charles Koopmans was a Dutch-born economist who worked with the Cowles Commission at the University of Chicago from 1944 to 1955 (in 1949 he was director of research), and then a professor of economics at Yale University till 1981, at which t ime he retired.
		It was during this time that he, in his desire to minimize transportation costs, developed the technique now known as "linear programming".
		He and Leon id Kantorovich won the Nobel Prize in Economics in 1975 "for their contributions to the theory of optimal allocation of resources." Koopmans is most known for his applications of mathematical statistics to economics.
	www.cartage.org.lb /en/themes/biographies/mainbiographies/k/koopmans/koopmans.htm (188 words)

	THE COWLES COMMISSION
		In 1939, the Cowles Commission moved to the University of Chicago under the directorship of Theodore O. Yntema, a student of Henry Schultz's.
		Rising hostile opposition to the Cowles Commission by the department of economics at Chicago during the 1950s led Koopmans to convince the Cowles family to move it to Yale University in 1955 (where it was renamed the "Cowles Foundation").
		The initial concern was the development of activity analysis and linear programming - initiated by the 1937 von Neumann paper and the works of Abraham Wald, both members of the old Vienna Colloquium -- to describe the production side and later the demand side of the economy.
	cepa.newschool.edu /het/schools/cowles.htm (999 words)

	Tjalling C. Koopmans - Autobiography
		I was born in 1910 in 's Graveland, the Netherlands, the third son of Sjoerd Koopmans and Wijtske van der Zee.
		Both my parents had been trained as schoolteachers and my father was principal of the (Protestant) "School with the Bible".
		Tjalling C. Koopmans died on February 26, 1985.
	www.nobel.se /economics/laureates/1975/koopmans-autobio.html (2783 words)

	MSN Encarta - Multimedia - Tjalling Charles Koopmans
		MSN Encarta - Multimedia - Tjalling Charles Koopmans
		Dutch-born American economist Tjalling Koopmans won the 1975 Nobel Prize in economics.
		He was awarded the prize for developing the theory of optimum allocation of resources.
	encarta.msn.com /media_461535413/Tjalling_Charles_Koopmans.html (34 words)

	Tjalling C. Koopmans -- Encyclopædia Britannica
		in full Tjalling Charles Koopmans Dutch-born American economist who shared—with Leonid Kantorovich of the Soviet Union—the Nobel Prize for Economics in 1975.
		More results on "Tjalling C. Koopmans" when you join.
		Koopmans, Tjalling C. Dutch-born American economist who shared—with Leonid Kantorovich of the Soviet Union—the Nobel Prize for Economics in 1975.
	www.britannica.com /eb/article-9046035?&query=leonid (838 words)

	References for Koopmans (Site not responding. Last check: 2007-09-07)
		K J Arrow, G B Dantzig and A Manne, In memory of Tjalling C Koopmans, Math.
		Academician L V Kantorovic and Professor T Koopmans - laureates of the Nobel Prize in Economics for 1975 (Russian), Ekonom.
		P H Matthews, Tjalling Charles Koopmans, American National Biography 12 (Oxford, 1999), 879-880.
	www-groups.dcs.st-and.ac.uk /history/References/Koopmans.html (157 words)

	Past Tjalling C. Koopmans Prizes, 1985-1999
		Stéphane Gregoir is awarded the Tjalling Koopmans Econometric Theory Prize for a pair of related high quality papers.
		The results are both of theoretical and of practical interest, as it is found, for example, that estimates are surprisingly accurate even for small sample sizes.
		Because of the quality of the theoretical analysis, of the importance of the question considered, and of the practical relevance of the results, it is thought that this paper deserves the Koopmans Prize.
	korora.econ.yale.edu /et/award/tck-past.htm (847 words)

	[No title]
		Tjalling C. Koopmans, "Measurement without theory," Review of Economic Statistics, 29(1947), 161-172.
		Response by Rutledge Vining, "Koopmans on the choice of variables to be studied and of methods of measurement," Review of Economic and Statistics, 31 (1949), 77-94., Rejoinder by Koopmans, Rejoinder by Vining, and an Additional Comment by Koopmans.
		Response by Ruffedge Vining, "Koopmans on the choice of variables to be studied and of methods of measurement," Review of E[conomic and Statistics, 31 (1949), 77-94., Rejoinder by Koopmans, Rejoinder by Vining, and an Additional Comment by Koopmans.
	socialwelfare.berkeley.edu /academic/syllabi/fall02/sw289c/background&generality_sw289c.doc (4194 words)

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