John Harsanyi
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| John C. Harsanyi | |
| Born | May 29, 1920 Budapest, Hungary |
|---|---|
| Died | August 9, 2000 Berkeley, California, US |
| Residence |  U.S. |
| Nationality |  Hungarian |
| Fields | Economics |
| Institutions | University of California, Berkeley |
| Alma mater | Stanford University University of Budapest |
| Doctoral advisor | Kenneth Arrow |
| Known for | Bayesian games Utilitarian ethics Equilibrium selection |
| Notable awards | Nobel Prize in Economics (1994) |
John Charles Harsanyi (Hungarian: Harsányi János Károly) (born May 29, 1920 in Budapest, Hungary; died August 9, 2000 in Berkeley, California, United States) was a Hungarian-Australian-American economist and Nobel Memorial Prize in Economics winner.
He is best known for his contributions to the study of game theory and its application to economics, specifically for his developing the highly innovative analysis of games of incomplete information, so-called Bayesian games. He also made important contributions to the use of game theory and economic reasoning in political and moral philosophy (specifically utilitarian ethics[1])as well as contributing to the study of equilibrium selection. For his work, he was a co-recipient along with John Nash and Reinhard Selten of the 1994 Nobel Memorial Prize in Economics.
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[edit] Biography
John C. Harsanyi was born in Budapest, Hungary on May 29, 1920. He attended high school at the Lutheran Gymnasium in Budapest, during high school, became the one of the best problem solver of the KöMaL, the Mathematical and Physical Monthly for Secondary Schools. Founded in 1893, this periodical is generally credited with a large share of Hungarian students' success in mathematics., he also won the first prize in the Eötvös mathematics competition Eötvös for high school students.[2] Although he wanted to study mathematics and philosophy, his father, who was the owner of a pharmacy, sent him to France in 1939 to enroll in chemical engineering at the University of Lyons. However, because of the start of World War II, Harsanyi returned to Hungary to study pharmacology at the University of Budapest (today: Eötvös Loránd University), earning a diploma in 1944.[3] As a pharmacology student, Harsanyi escaped conscription into the Hungarian Army which, as a person of Jewish descent, would have meant forced labor. However, in 1944 (after the fall of the Horthy regime and the seizure of power by the Arrow Cross Party) his military deferment was cancelled and he was compelled to join a forced labor unit on the Eastern Front. [2] [4] After seven months of forced labor, when the Nazi authorities decided to deport his unit to a concentration camp in Austria, John Harsanyi managed to escape and found sanctuary for the rest of the war in a Jesuit monastery. [2] [3] [5]
After the end of the war, Harsanyi returned to the University of Budapest for graduate studies in philosophy, earning his Ph.D. in 1947. Being a devout Catholic at the time, he simultaneously studied theology, also joining lay ranks of the Dominican Order. He later lost his faith after that, becoming an atheist for the rest of his life. [3] Harsanyi spent the academic year 1947-1948 on the faculty of the Institute of Sociology of the University of Budapest, where he met Anne Klauber, his future wife. He was forced to resign the faculty because of openly expressing his anti-Marxist opinions, while Anne faced increasing peer pressure to leave him for the same reason. After managing his family's pharmacy for two years, following increased political persecution by the Hungarian communist authorities, Harsanyi decided to escape from Hungary. In 1950 he fled with Anne and her parents by illegally crossing the border with Austria, then going to Australia. Here, he and Anne were married in 1951. [2] [3]
In Sydney, while working as a factory laborer, Harsanyi studied economics in the evening courses at the University of Sydney, earning a M.A. in 1953. While studying in Sydney, he started publishing research papers in economic journals, including the Journal of Political Economy and the Review of Economic Studies. The degree allowed him to take a teaching position in 1956 at the University of Queensland in Brisbane. [3] In 1958, he received a Rockefeller scholarship that enabled him and Anne to spend the next two years in the United States, at Stanford University and, for a semester, at the Cowles Foundation. At Stanford Harsanyi wrote a dissertation in game theory under the supervision of Kenneth Arrow, earning a second PhD in economics in 1959, while Anne earned an MA in psychology.
After working for a short time as a researcher at the Australian National University in Canberra, Harsanyi became frustrated with the lack of interest in game theory in Australia. With the help of Kenneth Arrow and James Tobin, he was able to move to the United States, taking a position as professor of economics at the Wayne State University in Detroit between 1961-1963. In 1964, he moved to Berkeley, California, he remained at the University of California, Berkeley until retiring in 1990. Shortly after arriving to Berkeley, he and Anne had a child, Tom. While teaching at Berkeley, John Harsanyi did extensive research in game theory. From 1966 to 1968, Harsanyi was part of a team of game theorists tasked with advising the United States Arms Control and Disarmament Agency in collaboration with Mathematica, a consulting group from Princeton University lead by Harold Kuhn and Oskar Morgenstern. [2] [3]
John Harsanyi died in 2000 from heart attack in Berkeley, California, after suffering for a time from Alzheimer's disease. [3]
[edit] Major Works by Harsanyi
- "Cardinal Utility in Welfare Economics and in the Theory of Risk-Taking", Journal of Political Economy (1953)
- "Bargaining in Ignorance of the Opponent's Utility Function", Journal of Conflict Resolution (1962)
- "Games with Incomplete Information Played by "Bayesian" Players, I-III. Part I. The Basic Model", Management Science, Vol. 14, No. 3, Theory Series (1967)
- Essays on Ethics, Social Behavior, and Scientific Explanation, Dordrecht, Holland: Reidel Publishing Company (1976)
- Rational Behavior and Bargaining Equilibrium in Games and Social Situations, Cambridge, United Kingdom: Cambridge University Press (1977)
- Papers in Game Theory, Dordrecht, Holland: Reidel Publishing Company (1982)
- A General Theory of Equilibrium Selection in Games (with Reinhard Selten), Cambridge, MA: MIT-Press. (1988)
[edit] Notes
- ^ Economics Faculty Directory
- ^ a b c d e John C. Harsanyi, "Autobiography", in Les Prix Nobel. The Nobel Prizes 1994, Editor Tore Frängsmyr, [Nobel Foundation], Stockholm, 1995
- ^ a b c d e f g John A. Weymark (2006), "John Charles Harsanyi", working paper no. 06-W07, Vanderbilt University
- ^ "Nobel Laureate John C. Harsanyi, UC Berkeley economist and game theory pioneer, dies at 80", HAAS News, UC at Berkeley
- ^ "John Harsanyi (1920-2000)" by Ariel Scheib, Jewish Virtual Library
[edit] External links
- Dr. Harsanyi's autobiography from the Nobel website
- News article remembering Dr. Harsanyi's life and career
- Obituary in The Independent (London)
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