Frank Hahn
Encyclopedia
Frank Horace Hahn is a British
British people
The British are citizens of the United Kingdom, of the Isle of Man, any of the Channel Islands, or of any of the British overseas territories, and their descendants...

 economist
Economist
An economist is a professional 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...

 whose work has focused on general equilibrium theory, monetary theory
Monetary theory
Monetary economics is a branch of economics that historically prefigured and remains integrally linked to macroeconomics. Monetary economics provides a framework for analyzing money in its functions as a medium of exchange, store of value, and unit of account. It considers how money, for example...

, Keynesian economics
Keynesian economics
Keynesian economics is a school of macroeconomic thought based on the ideas of 20th-century English economist John Maynard Keynes.Keynesian economics argues that private sector decisions sometimes lead to inefficient macroeconomic outcomes and, therefore, advocates active policy responses by the...

 and monetarism
Monetarism
Monetarism is a tendency in economic thought that emphasizes the role of governments in controlling the amount of money in circulation. It is the view within monetary economics that variation in the money supply has major influences on national output in the short run and the price level over...

. A famous problem of economic theory, the conditions under which money (which is intrinsically worthless) can have a positive value in a general equilibrium, is called "Hahn's Problem
Hahn's Problem
The Hahn Problem refers to the theoretical challenge of building general equilibrium models where money does not enter preferences, but yet has a positive value...

" after him.

Biography

Frank Hahn was born into an intellectual Central European family living in Berlin in 1925. His father was a chemist and writer. The family moved to Prague in 1931, leaving in 1938 for England.

Frank Hahn received his doctoral degree in economics at the London School of Economics
London School of Economics
The London School of Economics and Political Science is a public research university specialised in the social sciences located in London, United Kingdom, and a constituent college of the federal University of London...

 (University of London) in 1951 where his dissertation supervisors had been Nicholas Kaldor
Nicholas Kaldor
Nicholas Kaldor, Baron Kaldor was one of the foremost Cambridge economists in the post-war period...

 and Lionel Robbins
Lionel Robbins
Lionel Charles Robbins, Baron Robbins, FBA was a British economist and head of the economics department at the London School of Economics...

.

After lecturing at the University of Birmingham
University of Birmingham
The University of Birmingham is a British Redbrick university located in the city of Birmingham, England. It received its royal charter in 1900 as a successor to Birmingham Medical School and Mason Science College . Birmingham was the first Redbrick university to gain a charter and thus...

, he moved to Cambridge University as Lecturer at the Faculty of Economics and Politics and Fellow of Churchill College (1960–66). Having obtained a professorship, he taught at the London School of Economics (1967–72) and then returned to the University of Cambridge (1972–92). On his retirement he was appointed Professore Ordinario at the University of Siena
University of Siena
The University of Siena in Siena, Tuscany is one of the oldest and first publicly funded universities in Italy. Originally called Studium Senese, the University of Siena was founded in 1240. The University has around 20,000 students, nearly half of Siena's total population of around 54,000...

, Italy
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

. Here he directed the doctoral programme in economics (1990–1996). Hahn is now Emeritus Professor at Cambridge. He has been Visiting Professor at Harvard University
Harvard University
Harvard University is a private Ivy League university located in Cambridge, Massachusetts, United States, established in 1636 by the Massachusetts legislature. Harvard is the oldest institution of higher learning in the United States and the first corporation chartered in the country...

, the MIT
Massachusetts Institute of Technology
The Massachusetts Institute of Technology is a private research university located in Cambridge, Massachusetts. MIT has five schools and one college, containing a total of 32 academic departments, with a strong emphasis on scientific and technological education and research.Founded in 1861 in...

, and the University of California, Berkeley
University of California, Berkeley
The University of California, Berkeley , is a teaching and research university established in 1868 and located in Berkeley, California, USA...

.

Hahn was influenced by the writing of economist John Hicks
John Hicks
Sir John Richard Hicks was a British economist and one of the most important and influential economists of the twentieth century. The most familiar of his many contributions in the field of economics were his statement of consumer demand theory in microeconomics, and the IS/LM model , which...

. His wife is also an economist.

Major works

  • "The Share of Wages in the Trade Cycle", Economic Journal, vol 60 (1950).
  • "The Share of Wages in National Income", Oxford Economic Papers vol. 3 #2 (1951).
  • "The Rate of Interest in General Equilibrium Analysis", Economic Journal (1955).
  • "Gross Substitutes and the Dynamic Stability of General Equilibrium", Econometrica vol 26 (1958) pp 169–70.
  • "The Patinkin Controversy", Review of Economic Studies vol. 19 (1960).
  • "The Stability of Growth Equilibrium", Quarterly Journal of Economics vol. 74, pp 206–26 (1960).
  • "Money, Dynamic Stability and Growth", Metroeconomica vol. 13 #11 (August 1961).
  • "A Stable Adjustment Process for a Competitive Economy", Review of Economic Studies vol 39 pp 62–5 (1962).
  • "A Theorem on Non-Tatonnement Stability" with T.Negishi, Econometrica vol. 30 #3 (1962).
  • "On the Stability of a Pure Exchange Equilibrium", International Economic Review, vol. 3 (May, 1962), 206-13.
  • "The Stability of the Cournot Oligopoly Solution", Review of Economic Studies vol. 29 pp 329–33 (1962).
  • "On the Disequilibrium Behavior of a Multi-Sectoral Growth Model", Economic Journal (1963)
  • "The Theory of Economic Growth: A survey", with R.C.O.Matthews
    Robin Matthews (economist)
    Robert Charles Oliver Matthews was an economist and chess problemist.Matthews was born in Edinburgh. He was educated at Edinburgh Academy and Corpus Christi College, Oxford. He was the Drummond Professor of Political Economy at Oxford from 1965 to 1975 and the Professor of Political Economy at...

     (1964), Economic Journal vol 74 pp 779–902 (1964).
  • "On Some Problems of Proving the Existence of an Equilibrium in a Monetary Economy" in Theory of Interest Rates (1965), edited by Hahn and Brechling.
  • "Equilibrium Dynamics with Heterogeneous Capital Goods" Quarterly Journal of Economics vol. 80 (1966) pp 633–46.
  • "On Warranted Growth Paths", Review of Economic Studies, vol. 35, pp 175–84 (1968).
  • "On Money and Growth", Journal of Money, Credit and Banking vol. 1 #2 (1969).
  • "Some Adjustment Problems", Econometrica vol. 38 #1 (January 1970).
  • General Competitive Analysis (1971), with K.J. Arrow
    Kenneth Arrow
    Kenneth Joseph Arrow is an American economist and joint winner of the Nobel Memorial Prize in Economics with John Hicks in 1972. To date, he is the youngest person to have received this award, at 51....

    .
  • "Equilibrium with Transactions Costs", Econometrica vol. 39 #3 (1971).
  • "The Winter of Our Discontent", Economica (1973).
  • "On Some Equilibrium Growth Paths" in Models of Economic Growth (1973), edited by Mirrlees and Stern.
  • "On Transactions Costs, Inessential Sequence Economics and Money", Review of Economic Studies vol. 40 #4 (October 1973).
  • On the Notion of Equilibrium in Economics (1974).
  • "Revival of Political Economy: The wrong issues and the wrong arguments", Economic Record vol. 51 pp 360–4 (1975).
  • "Keynesian Economics and General Equilibrium Theory: Reflections on some current debates" in Microeconomic Foundations of Macroeconomics (1977), edited by Harcourt.
  • "Monetarism and Economic Theory", Economica Vol. 47 #185 (1980).
  • "General Equilibrium Theory" in Crisis in Economic Theory (1981) edited by Bell and Kristol.
  • Money and Inflation (1982).
  • "Reflections on the Invisible Hand", Lloyd's Bank Review, April 1982.
  • "The Neo-Ricardians", Cambridge Journal of Economics (1982).
  • "Stability" in Handbook of Mathematical Econonomics (1982), edited by Arrow and Intriligator.
  • Equilibrium and Macroeconomics (1984).
  • Money, Growth and Stability (1985).
  • "Liquidity" in Handbook of Monetary Economics (1988), edited by Friedman and Hahn.
  • Critical Essay on Modern Macroeconomic Theory (1995) with R.M. Solow.
  • "A Remark on Incomplete Market Equilibrium" in Markets, Information and Uncertainty (1999), edited by Chichilnisky
    Graciela Chichilnisky
    Graciela Chichilnisky is an Argentine American mathematical economist and an expert on climate change. She is a professor of economics at Columbia University....

    .
  • "Notes on Sequence Economies, Transaction Costs and Uncertainty", with K.J. Arrow Journal of Economic Theory vol. 86 #2 (1999).
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