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Jacques Drèze

Jacques H. Drèze
Born 1929 (age 87–88)
Verviers, Belgium
Nationality Belgium
Fields Economic theory
Economic policy
Econometrics
Statistics
Operations research
Alma mater Université de Liège (Licencié)
Columbia University (Ph.D.)
Doctoral advisor William Vickrey
Doctoral students Franz Palm
Known for Drèze equilibrium with price rationing
Disequilibrium macroeconomics and econometrics
Policies to combat unemployment
Public economics
Bayesian simultaneous equations
Influences Kenneth J. Arrow
Robert J. Aumann
Edmond Malinvaud
Franco Modigliani
Leonard Jimmie Savage
Influenced Roger J-B Wets
Notable awards President, Econometric Society (1970)
President, International Economic Association (1996-1999)
(Inaugural) President, European Economic Association (1985-1986)
Walras-Bowley Lecture (1976)
Yrjö Jahnsson Lecturer (1983)
Foreign Honorary Member of the American Economic Association
Foreign Associate, National Academy of Sciences
Foreign Honorary Member, American Academy of Arts and Sciences
Foreign Member, Royal Dutch Academy of Arts and Sciences
Corresponding Fellow, British Academy

Jacques H. Drèze (born 1929) is a Belgian economist noted for his contributions to economic theory, econometrics, and economic policy as well as for his leadership in the economics profession. Drèze was the first President of the European Economic Association in 1986 and was the President of the Econometric Society in 1970.

Jacques Drèze is also the father of five sons. One son is the economist, Jean Drèze, who is known for his work on poverty and hunger in India (some of which has been in collaboration with Amartya K. Sen); another son, Xavier Drèze, was professor of Marketing at UCLA.

Drèze's contributions to economics combine policy-relevance and mathematical techniques.

"Indeed, models basically play the same role in economics as in fashion: they provide an articulated frame on which to show off your material to advantage ...; a useful role, but fraught with the dangers that the designer may get carried away by his personal inclination for the model, while the customers may forget that the model is more streamlined than reality."

Between games of strategy and games against nature, there remains a middle ground where uncertainties are partially controllable by the decision-maker---situations labelled “games of strength and skill” by von Neumann and Morgenstern, or “moral hazard” in subsequent work. Such problems of moral hazard have been discussed by Jacques Drèze in his dissertation, leading to the 1961 paper (8), whose analysis was generalized in 1987 (76), and simplified in 2004 (123). Drèze's theory allows for preferences depending on the state of the environment. Rational behaviour is again characterised by subjective expected utility maximisation, where the utility is state-dependent, and the maximisation encompasses the choice of an optimal subjective probability from an underlying feasible set.


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