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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 science discipline of economics. The individual may also study, develop, and apply theories and concepts from economics and write about economic policy. Within this field there are ...
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. Public economics builds on the theory of welfare economics and is ultimately used as a tool to improv ...
and information economics. Educated at the
University of Toulouse The University of Toulouse (french: Université de Toulouse) was a university in the French city of Toulouse that was established by papal bull in 1229, making it one of the earliest universities to emerge in Europe. Suppressed during the Frenc ...
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 Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of high ...
in 1975. Laffont taught at the
École Polytechnique École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine The Seine ( , ) is a river in northern Franc ...
(1975–1987), and was Professor of Economics at Ecole des hautes études en sciences sociales (1980–2004) and at the
University of Toulouse The University of Toulouse (french: Université de Toulouse) was a university in the French city of Toulouse that was established by papal bull in 1229, making it one of the earliest universities to emerge in Europe. Suppressed during the Frenc ...
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 , mottoeng = "Let whoever earns the palm bear it" , religious_affiliation = Nonsectarian—historically Methodist , established = , accreditation = WSCUC , type = Private research university , academic_affiliations = , endowment = $8. ...
'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 Jean Tirole (born 9 August 1953) is a French professor of economics at Toulouse 1 Capitole University. He focuses on industrial organization, game theory, banking and finance, and economics and psychology. In 2014 he was awarded the Nobel Mem ...
.


Contribution to economics

Laffont made pioneering contributions in microeconomics, 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. Public economics builds on the theory of welfare economics and is ultimately used as a tool to improv ...
,
development economics Development economics is a branch of economics which deals with economic aspects of the development process in low- and middle- income countries. Its focus is not only on methods of promoting economic development, economic growth and structural ...
, and the theory of imperfect information,
incentive In general, incentives are anything that persuade a person to alter their behaviour. It is emphasised that incentives matter by the basic law of economists and the laws of behaviour, which state that higher incentives amount to greater levels of ...
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 Biology is the scientific study of life. It is a natural science with a ...
. His 1993 book ''A Theory of Incentives in Procurement and Regulation'', written with
Jean Tirole Jean Tirole (born 9 August 1953) is a French professor of economics at Toulouse 1 Capitole University. He focuses on industrial organization, game theory, banking and finance, and economics and psychology. In 2014 he was awarded the Nobel Mem ...
, 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 (abbreviation: AAA&S) 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, ...
(1993); * Best economist of the year award from the ''Nouvel Economiste'' magazine (1993); * (with
Jean Tirole Jean Tirole (born 9 August 1953) is a French professor of economics at Toulouse 1 Capitole University. He focuses on industrial organization, game theory, banking and finance, and economics and psychology. In 2014 he was awarded the Nobel Mem ...
, Scientific Director of IDEI), the Yrjö Jahnsson Award from the
Yrjö Jahnsson Foundation The Yrjö Jahnsson Foundation is a charitable foundation whose aims are to promote Finnish research in economics and medicine and to maintain and support educational and research facilities in Finland. It was established in 1954 by the wife of Yrj� ...
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; french: links=no, Université de Lausanne) 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 Switze ...
(1998); * Officer of the French Legion of Honor.


Selected publications


Books

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Chapters in books

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Direct link.


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 University of Toulouse faculty 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