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A Two-Person Dynamic Equilibrium under Ambiguity

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Author Info
Larry G. Epstein () (University of Rochester)
JianJun Miao () (University of Rochester)

Additional information is available for the following registered author(s):

Abstract

This paper describes a pure-exchange, continuous-time economy with two heterogeneous agents and complete markets. A novel feature of the economy is that agents perceive some security returns as ambiguous in the sense often attributed to frank Knight. The equilibrium is described completely in closed-form. In particular, closed-form solutions are obtained for the equilibrium processes describing individual consumption, the interest rate, the market price of uncertainty, security prices and trading strategies. After identifying agents as countries, the model is applied to address the consumption home-bias puzzles.

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File URL: http://rcer.econ.rochester.edu/RCERPAPERS/rcer_478.pdf
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Publisher Info
Paper provided by University of Rochester - Center for Economic Research (RCER) in its series RCER Working Papers with number 478.

Download reference. The following formats are available: HTML, plain text, BibTeX, RIS (EndNote), ReDIF
Length: 49 pages
Date of creation: Jan 2001
Date of revision:
Handle: RePEc:roc:rocher:478

Contact details of provider:
Postal: UNIVERSITY OF ROCHESTER, CENTER FOR ECONOMIC RESEARCH, DEPARTMENT OF ECONOMICS, HARKNESS 231 ROCHESTER NEW YORK 14627 U.S.A.

For technical questions regarding this item, or to correct its listing, contact: (Terry Fisher).

Related research
Keywords: ambiguity risk continuous-time asset returns Knightian uncertainty dynamic equilibrium home bias

Other versions of this item:

Find related papers by JEL classification:
D8 - Microeconomics - - Information, Knowledge, and Uncertainty
D9 - Microeconomics - - Intertemporal Choice and Growth
G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
G12 - Financial Economics - - General Financial Markets - - - Asset Pricing
G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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Cited by:
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  1. Giannis Vardas & Anastasios Xepapadeas, 2004. "Uncertainty Aversion, Robust Control and Asset Holdings," Working Papers 0402, University of Crete, Department of Economics. [Downloadable!]
    Other versions:
  2. Jianjun Miao, 2003. "Consumption and Saving under Knightian Uncertainty," Boston University - Department of Economics - The Institute for Economic Development Working Papers Series dp-134, Boston University - Department of Economics. [Downloadable!]
  3. Q. Farooq Akram & Yakov Ben-Haim & Øyvind Eitrheim, 2006. "Managing uncertainty through robust-satisficing monetary policy," Working Paper 2006/10, Norges Bank. [Downloadable!]
  4. Juan Carlos Hatchondo, 2005. "Asymmetric information and the lack of international portfolio diversification," Working Paper 05-07, Federal Reserve Bank of Richmond. [Downloadable!]
  5. Cao , Henry & Han, Bing & Hirshleifer, David & Zhang, Harold, 2007. "Fear of the Unknown: Familiarity and Economic Decisions," MPRA Paper 6512, University Library of Munich, Germany. [Downloadable!]
  6. Patrick Gagliardini & Paolo Porchia & Fabio Trojani, 2007. "Ambiguity Aversion and the Term Structure of Interest Rates," University of St. Gallen Department of Economics working paper series 2007 2007-29, Department of Economics, University of St. Gallen. [Downloadable!]
  7. Larry Epstein & Martin Schneider, 2006. "Learning Under Ambiguity," RCER Working Papers 527, University of Rochester - Center for Economic Research (RCER). [Downloadable!]
    Other versions:
  8. Uppal, Raman & Wang, Tan, 2002. "Model Misspecification and Under-Diversification," CEPR Discussion Papers 3304, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
  9. Massimo Guidolin, 2005. "Home bias and high turnover in an overlapping generations model with learning," Working Papers 2005-012, Federal Reserve Bank of St. Louis. [Downloadable!]
    Other versions:
  10. Dirk Hackbarth & Jianjun Maio, 2007. "The Dynamics of Mergers and Acquisitions in Oligopolistic Industries," Boston University - Department of Economics - Working Papers Series WP2007-017, Boston University - Department of Economics. [Downloadable!]
    Other versions:
  11. Christian Bauer, 2006. "Products of convex measures: A Fubini theorem," Macroeconomics prod-cap_2003-04, Department of Economics, Economics I, Bayreuth University. [Downloadable!]
  12. Garlappi, Lorenzo & Uppal, Raman & Wang, Tan, 2005. "Portfolio Selection with Parameter and Model Uncertainty: A Multi-Prior Approach," CEPR Discussion Papers 5148, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
  13. Giannis Vardas & Anastasios Xepapadeas, 2004. "Uncertainty Aversion and Robust Portfolio Choices," Working Papers 0408, University of Crete, Department of Economics. [Downloadable!]
  14. Liu, Jun & Pan, Jun & Wang, Tan, 2002. "An Equilibrium Model of Rare Event Premia," Working papers 4370-02, Massachusetts Institute of Technology (MIT), Sloan School of Management. [Downloadable!]
  15. Itzhak Gilboa & Andrew Postlewaite & David Schmeidler, 2004. "Rationality of Belief Or: Why Savage's axioms are neither necessary nor sufficient for rationality, Second Version," PIER Working Paper Archive 07-001, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania, revised 03 Jan 2007. [Downloadable!]
  16. Garlappi, Lorenzo & Uppal, Raman & Wang, Tan, 2005. "Portfolio Selection with Parameter and Model Uncertainty: A Multi-Prior Approach," CEPR Discussion Papers 5041, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
  17. Chiaki Hara, 2005. "Heterogeneous Risk Attitudes in a Continuous-Time Model," Working Papers 609, Kyoto University, Institute of Economic Research. [Downloadable!]
  18. Peter Klibanoff & Massimo Marinacci & Sujoy Mukerji, 2002. "A smooth model of decision making under ambiguity," ICER Working Papers - Applied Mathematics Series 11-2003, ICER - International Centre for Economic Research, revised Apr 2003. [Downloadable!]
    Other versions:
  19. Peter Bossaerts & Serena Guarnaschelli & Paolo Ghirardato & William Zame, 2006. "Ambiguity in Asset Markets: Theory and Experiment," Carlo Alberto Notebooks 27, Collegio Carlo Alberto, revised 2007. [Downloadable!]
  20. Fabio Trojani & Markus Leippold & Paolo Vanini, 2005. "Learning and Asset Prices under Ambiguous Information," University of St. Gallen Department of Economics working paper series 2005 2005-03, Department of Economics, University of St. Gallen. [Downloadable!]
  21. Scott Condie, 2008. "Living with ambiguity: prices and survival when investors have heterogeneous preferences for ambiguity," Economic Theory, Springer, vol. 36(1), pages 81-108, July. [Downloadable!] (restricted)
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