||This article's introduction may be too long for the length of the article. (February 2014)|
January 11, 1948 |
Rio de Janeiro, Brazil
University of Chicago
|Alma mater||University of Rochester|
William A. Brock
|Information at IDEAS / RePEc|
José Alexandre Scheinkman (born January 11, 1948) is a Brazilian-American economist, currently the Charles and Lynn Zhang Professor of Economics at Columbia University and the Theodore A. Wells '29 Professor of Economics Emeritus at Princeton University. He spent much of his career at the University of Chicago, where he served as department chair immediately prior to his departure for Princeton. Prior to immigrating to the United States to study for his PhD in Economics at the University of Rochester, he grew up and was educated in Rio de Janeiro, Brazil. While his research interests have spanned a wide range of topics, he is best known for his work in mathematical economics (particularly dynamic optimization) and finance, oligopoly theory and the social economics of cities and crime; he also help spur the development of work at the intersection of economics, finance and physics. Scheinkman also famously pioneered the now-ubiquitous application of academic financial theory to practical risk management of fixed incomes during a leave he took as Vice President in the Financial Strategies Group at Goldman, Sachs & Co. during the late 1980s.
Scheinkman's recent research has focused increasingly on finance (both applied, in his work on bubbles, and mathematical, in his work with Lars Hansen). He was as a founder and partner of Axiom Investments, a successful hedge fund, and was involved in the public affairs of Brazil through writing and consulting. He is also well known as the thesis adviser of prominent economists including Paul Romer, Albert (Pete) Kyle, Edward Glaeser, Alberto Bisin, Tano Santos, Adriano Rampini, and Glen Weyl. He is a member of the United States National Academy of Sciences and a Fellow of the Econometric Society, the American Academy of Arts and Sciences, and the American Finance Association. He was a recipient of a Guggenheim Fellowship and is a Docteur honoris causa from the Université Paris-Dauphine
He is married to the New York psychotherapist Michele Scheinkman and is the father of Andrei Scheinkman.
Scheinkman's parents, Samuel and Sara, were members of Rio de Janeiro's small Jewish community. As leftists, his parents were dissidents during the military government in Brazil from 1964 to 1985. Scheinkman studied for his BA in economics (1969) and MA in Mathematics (1970) at the Universidade Federal do Rio de Janeiro and the Instituto de Matemática Pura e Aplicada, also in Rio. During his studies he met his future wife, Michele Zitrin, at an annual summer retreat taken by many Jews in Rio. Together and married at the age of 22, they moved to New York so that he could study for his PhD under Lionel McKenzie and William A. Brock at the University of Rochester. Two and a half years into his PhD, eventually granted in 1974, Scheinkman was hired as an assistant professor in the Department of Economics at the University of Chicago, where he spent the next 26 years, with the support of Brock who had moved there.
Career at Chicago
After only four years, Scheinkman was promoted to tenure as an associate professor in 1978 and eventually as a full professor in 1981. While at Chicago, Scheinkman helped build the foundation of mathematical economics at a department often better known for economic intuition than rigorous theory. Scheinkman also participated actively in the interface between economics and physics organized by the Santa Fe Institute and often traveled to visiting positions in France, a country for which he has had a lifetime affection. He served as chair of the Department of Economics from 1995 to 1998. Following his chairmanship, Scheinkman moved to New York City, and Princeton University, in 1999.
Scheinkman is perhaps most closely associated with his classic six page paper from 1979 with L. M. Benveniste "On the Differentiability of the Value Function in Dynamic Models of Economics", which provides conditions on model primitives allowing for the standard differentiable treatment of infinite-horizon dynamic models. At least as influential, however, is his very different work with David Kreps in 1983 showing that "Quantity precommitment and Bertrand competition yield Cournot outcomes" and thus providing the canonical modern foundation of Cournot equilibrium as the result of capacity pre-commitments. Building on his interest in the intersection between economics and physics, he helped draw out and test some of the most salient implication of the theory of social interactions, in a series of papers with his star student Edward Glaeser (among others), for "Growth in Cities" (1992), crime (1996) and "Measuring Trust" (2000). Perhaps one of the best loved of Scheinkman's papers is his work with Kevin Murphy and Sherwin Rosen on "Cattle Cycles" (1994), which provides one of the sharpest applications of natural economic theory to explain cyclical variations.
Since joining the faculty at Princeton, Scheinkman's research has increasingly turned to finance, pursuing two distinct but related trajectories. In a series of joint papers with Lars Hansen and other co-authors he has developed new tools for solving and testing continuous time models of financial time series. Simultaneously, he has studied the causes of behavioral and agency frictions in financial markets and, especially, their consequence for financial bubbles. His most prominent paper in the second category is his joint work with Wei Xiong, "Overconfidence and Speculative Bubbles" (2003) making more realistic and quantitative the insight of Harrison and Kreps (1978) that when short selling is costly the most optimistic individuals price the market and thus a bubble can be created by disagreements between market participant generating an option value to sell to a greater fool.
Scheinkman is well known as an outstanding mentor, having served as principal advisor to 30 students at the University of Chicago and several more at Princeton. His graduate students have studied a wide range of subjects and become prominent in many fields including finance (e.g. Pete Kyle, Tano Santos, Adriano Rampini), macroeconomics (e.g. Paul Romer), social and urban economics (e.g. Alberto Bisin, Ed Glaeser), and also guided theory students (e.g. Lones Smith). He has even mentored students beginning as undergraduates through the research project, such as Glen Weyl.
Activities outside academia
Outside of his academic work, Scheinkman has been a leader in applied finance during his time at Goldman Sachs and after. He has also been influential in Brazilian economic policy, helping to lead the Agenda Perdida review of Brazilian social policy and writing several columns for the top Brazilian newspaper Folha de S.Paulo. Scheinkman was also the top economic adviser to the (failed) presidential campaign of Ciro Gomes.
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