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Jean-Jacques Marcel Laffont (April 13, 1947 – May 1, 2004) was a French
economist An economist is a professional and practitioner in the social sciences, social science discipline of economics. The individual may also study, develop, and apply theories and concepts from economics and write about economic policy. Within this ...
specializing in
public economics Public economics ''(or economics of the public sector)'' is the study of government policy through the lens of economic efficiency and Equity (economics), equity. Public economics builds on the theory of welfare economics and is ultimately used as ...
and information economics. Educated at the University of Toulouse and the Ecole Nationale de la Statistique et de l'Administration Economique ( ENSAE) in Paris, he was awarded PhD in economics by
Harvard University Harvard University is a Private university, private Ivy League research university in Cambridge, Massachusetts, United States. Founded in 1636 and named for its first benefactor, the History of the Puritans in North America, Puritan clergyma ...
in 1975. Laffont taught at the
École Polytechnique (, ; also known as Polytechnique or l'X ) is a ''grande école'' located in Palaiseau, France. It specializes in science and engineering and is a founding member of the Polytechnic Institute of Paris. The school was founded in 1794 by mat ...
(1975–1987), and was Professor of Economics at Ecole des hautes études en sciences sociales (1980–2004) and at the University of Toulouse I (1991–2001). In 1991, he founded Toulouse's Industrial Economics Institute (Institut D'Economie Industrielle, IDEI) which has become one of the most prominent European research centres in economics. From 2001 until his death, he was the inaugural holder of the
University of Southern California The University of Southern California (USC, SC, or Southern Cal) is a Private university, private research university in Los Angeles, California, United States. Founded in 1880 by Robert M. Widney, it is the oldest private research university in ...
's John Elliott Chair in Economics. Over the course of his career, he wrote 17 books and more than 200 articles. Had he lived, he might well have shared the 2014 Nobel Prize for Economics awarded to his colleague and collaborator Jean Tirole.


Contribution to economics

Laffont made pioneering contributions in
microeconomics Microeconomics is a branch of economics that studies the behavior of individuals and Theory of the firm, firms in making decisions regarding the allocation of scarcity, scarce resources and the interactions among these individuals and firms. M ...
, in particular,
public economics Public economics ''(or economics of the public sector)'' is the study of government policy through the lens of economic efficiency and Equity (economics), equity. Public economics builds on the theory of welfare economics and is ultimately used as ...
, development economics, and the theory of imperfect information,
incentive In general, incentives are anything that persuade a person or organization to alter their behavior to produce the desired outcome. The laws of economists and of behavior state that higher incentives amount to greater levels of effort and therefo ...
s, and
regulation Regulation is the management of complex systems according to a set of rules and trends. In systems theory, these types of rules exist in various fields of biology and society, but the term has slightly different meanings according to context. Fo ...
. His 1993 book ''A Theory of Incentives in Procurement and Regulation'', written with Jean Tirole, is a fundamental reference in the economics of the public sector and the theory of regulation. In 2002, he published (with David Martimort) ''The Theory of Incentives: the Principal-Agent Model'', a treatise on the economics of information and incentives. His last book, ''Regulation and Development'', discussed policies for improving the economies of less developed countries.


Death

Jean-Jacques Laffont was diagnosed with cancer in autumn 2002 and died of the disease at his home in Colomiers in the Haute Garonne region of southern France on May 1, 2004. He was survived by his wife, Colette; his daughters Cécile, Bénédicte and Charlotte; and his son, Bertrand.


Awards and honors

* Wells Prize, awarded biannually by Harvard University to the best Ph.D. thesis in economics (1975); * CNRS Silver Medal (1990); * Scientific Prize of the UAP (1991); * Honorary Member of the American Economic Association (1991); * Senior member of the Institut Universitaire de France, which honors the best research professors in France in all disciplines (1991–2001); * Foreign Honorary Member of the
American Academy of Arts and Sciences The American Academy of Arts and Sciences (The Academy) is one of the oldest learned societies in the United States. It was founded in 1780 during the American Revolution by John Adams, John Hancock, James Bowdoin, Andrew Oliver, and other ...
(1993); * Best economist of the year award from the ''Nouvel Economiste'' magazine (1993); * (with Jean Tirole, Scientific Director of IDEI), the Yrjö Jahnsson Award from the Yrjö Jahnsson Foundation and the European Economic Association, awarded biennially to the best European economist under the age of 45 (1993); * Member of the Economic Advisory Council of the Prime Minister of France (1997); * Honorary doctorate from the
University of Lausanne The University of Lausanne (UNIL; ) in Lausanne, Switzerland, was founded in 1537 as a school of Protestant theology, before being made a university in 1890. The university is the second-oldest in Switzerland, and one of the oldest universities ...
(1998); * Officer of the French Legion of Honor.


Selected publications


Books

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Chapters in books

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References


External links


Jean-Jacques Laffont's CV

Jean-Jacques Laffont Foundation

Association Jean-Jacques Laffont
{{DEFAULTSORT:Laffont, Jean-Jacques Public economists Information economists General equilibrium theorists Microeconomists 20th-century French economists 21st-century French economists Harvard University alumni Academic staff of the University of Toulouse University of Southern California faculty 1947 births 2004 deaths Presidents of the Econometric Society Fellows of the American Academy of Arts and Sciences Fellows of the Econometric Society