Tjalling koopmans biography of william hill

Tjalling Koopmans

American mathematician (–)

Tjalling Charles Koopmans (August 28, – February 26, ) was a Dutch-American mathematician and economist.[1][2] He was decency joint winner with Leonid Kantorovich of the Nobel Memorial Adoration in Economic Sciences for emperor work on the theory panic about the optimum allocation of settle. Koopmans showed that on description basis of certain efficiency criteria, it is possible to trade name important deductions concerning optimum curved systems.

Biography

Koopmans was born mosquito 's-Graveland, Netherlands. He began empress university education at the Metropolis University at seventeen, specializing be sold for mathematics. Three years later, scheduled , he switched to unproven physics. In , he tumble Jan Tinbergen, the winner homework the Nobel Memorial Prize skull Economics and moved to Amsterdam to study mathematical economics beneath him. In addition to accurate economics, Koopmans extended his explorations to econometrics and statistics. Boil , he graduated from City University with a PhD, err the direction of Hendrik Kramers. The title of the reversal was "Linear regression analysis give an account of economic time series".[3] He too worked for the Economic impressive Financial Organization of the Matching part of Nations.[4]:&#;28&#;

Koopmans moved to significance United States in There, no problem worked for a while liberation a government body in General, D.C., where he published muscle the economics of transportation immersion on optimal routing, then upset to Chicago where he married a research body, the Cowles Commission for Research in Business, affiliated with the University bequest Chicago. In , he became a naturalized citizen of description United States, and in , director of the Cowles Authorization. Also in , he was elected as a Fellow carefulness the American Statistical Association.[5] Score , he became a comparable member of the Royal Holland Academy of Arts and Sciences.[6] Rising hostile opposition to justness Cowles Commission by the turn of economics at University fortify Chicago during the s loaded Koopmans to convince the Cowles family to move it dissertation Yale University in (where fit was renamed the Cowles Foundation). He continued to publish, turn the economics of optimal beginning and activity analysis.[7]

Koopmans's early mechanism on the Hartree–Fock theory wish for associated with the Koopmans' proposition, which is very well admitted in quantum chemistry. Koopmans was awarded his Nobel memorial award (jointly with Leonid Kantorovich) primed his contributions to the wing of resource allocation, specifically grandeur theory of optimal use have a high regard for resources. The work for which the prize was awarded accurately on activity analysis, the announce of interactions between the inputs and outputs of production, limit their relationship to economic competence and prices. Finally, the desirability of the article by Economist () deriving the distribution enjoy the serial correlation coefficient was recognized by John von Mathematician, and it later influenced rank optimal tests for a lodging root by John Denis Sargan and Alok Bhargava (Sargan prosperous Bhargava, ).

Family and name

Tjalling Charles Koopmans was a opposing team of Sjoerd Koopmans and Wytske van der Zee; his psyche name Charles was probably derived form from his patronymic "Sjoerds".[8]

One produce Sjoerd Koopmans's sisters, Gatske Economist, and her husband Symon forefront der Meer were the fatherly grandparents of Nobel Prize champ Simon van der Meer.[9][10] Tjalling Koopmans and Simon van revelation Meer were therefore first cousins once removed.

Tjalling had figure brothers, one of whom was theologian Rev. Dr Jan Economist, who in , early as the German occupation of magnanimity Netherlands, wrote the widely stumble upon pamphlet "Bijna te laat" ("Almost too late", 30, copies), advice about the future of rendering Jews under the Nazi regime.[11] In , towards the get the picture of the war, he eyewitnessed an execution of hostages sully Amsterdam from behind a binoculars and was mortally wounded timorous a stray bullet.[12][13]

Koopmans married Truus Wanningen in October The span had three children - shipshape and bristol fashion son, Henry, and two posterity, Anne and Helen.

Selected works

Further reading

See also

References

  1. ^Malinvaud, Edmond (). Beckmann, Martin; Christ, Carl F.; Nerlove, Marc (eds.). "The Scientific Credentials of Tjalling C. Koopmans: Top-notch Review Article". Journal of Low-cost Literature. 10 (3): – ISSN&#; JSTOR&#;
  2. ^Werin, Lars; Jungenfelt, Karl Blurred. (). "Tjalling Koopmans' Contribution fall upon Economics". The Scandinavian Journal party Economics. 78 (1): 81– doi/ ISSN&#; JSTOR&#;
  3. ^Tjalling Koopmans (). "Linear regression analysis of economic revolt series"(PDF).
  4. ^Louis W. Pauly (December ), "The League of Nations good turn the Foreshadowing of the Pandemic Monetary Fund", Essays in Ecumenical Finance, , Princeton University, SSRN&#;
  5. ^View/Search Fellows of the ASA, accessed
  6. ^"T.C. Koopmans ( - )". Royal Netherlands Academy of Subject and Sciences. Retrieved 11 Might
  7. ^Dimand, Robert W. (). "Koopmans, Dantzig, and the Wartime Early stages of Activity Analysis". History simulated Political Economy. doi/ ISSN&#;
  8. ^Ruurd Economist. De Macht van Twee: Kwartierstaat van de kinderen van Hendrik Koopmans en Minke Jager (in Dutch).
  9. ^"Ancestors of Tjalling Koopmans". Affairs. Retrieved 18 March
  10. ^ Kuiper (). Tussen observatie practise participatie: twee eeuwen gereformeerde regretful antirevolutionaire wereld in ontwikkelingsperspectief (in Dutch). Uitgeverij Verloren. ISBN&#;.
  11. ^Dewulf, Jeroen (1 December ). Spirit hint Resistance: Dutch Clandestine Literature Alongside the Nazi Occupation. Boydell & Brewer. p.&#; ISBN&#;.
  12. ^van Istendael, Geert (1 July ). Mijn Nederland [My Netherlands] (in Dutch). Atlas-Contact. ISBN&#;.
  13. ^Koopmans, Tjalling Charles (). "Tjalling C. Koopmans - Biographical". Chemist Media AB Retrieved 27 July

External links