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http://ssrn.com/abstract=1020901
 
 

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Computing Stochastic Dynamic Economic Models with a Large Number of State Variables: A Description and Application of a Smolyak-Collocation Method


Ben Malin


Federal Reserve Bank of Minneapolis

Dirk Krueger


University of Pennsylvania - Department of Economics; National Bureau of Economic Research (NBER); Centre for Economic Policy Research (CEPR)

Felix Kubler


University of Zurich; Swiss Finance Institute

October 2007

NBER Working Paper No. t0345

Abstract:     
We describe a sparse grid collocation algorithm to compute recursive solutions of dynamic economies with a sizable number of state variables. We show how powerful this method may be in applications by computing the nonlinear recursive solution of an international real business cycle model with a substantial number of countries, complete insurance markets and frictions that impede frictionless international capital flows. In this economy the aggregate state vector includes the distribution of world capital across different countries as well as the exogenous country-specific technology shocks. We use the algorithm to efficiently solve models with 2, 4, and 6 countries (i.e., up to 12 continuous state variables).

Number of Pages in PDF File: 31

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Date posted: October 15, 2007  

Suggested Citation

Malin, Ben and Krueger, Dirk and Kubler, Felix, Computing Stochastic Dynamic Economic Models with a Large Number of State Variables: A Description and Application of a Smolyak-Collocation Method (October 2007). NBER Working Paper No. t0345. Available at SSRN: http://ssrn.com/abstract=1020901

Contact Information

Benjamin A. Malin
Federal Reserve Bank of Minneapolis ( email )
90 Hennepin Avenue
Minneapolis, MN 55480
United States
Dirk Krueger (Contact Author)
University of Pennsylvania - Department of Economics ( email )
160 McNeil Building
3718 Locust Walk
Philadelphia, PA 19104
United States
215-898-6691 (Phone)
215-573-2057 (Fax)
HOME PAGE: http://www.econ.upenn.edu/~dkrueger/
National Bureau of Economic Research (NBER)
1050 Massachusetts Avenue
Cambridge, MA 02138
United States
Centre for Economic Policy Research (CEPR)
77 Bastwick Street
London, EC1V 3PZ
United Kingdom
Felix E. Kubler
University of Zurich ( email )
Rämistrasse 71
Zürich, CH-8006
Switzerland
Swiss Finance Institute ( email )
c/o University of Geneve
40, Bd du Pont-d'Arve
1211 Geneva, CH-6900
Switzerland

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