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A Further Exploration of Some Computational Issues in Equilibrium Business Cycle Theory


  • Radhika Lahiri


This paper revisits some of the issues involved in the comparison of alternative computational procedures within the context of a dynamic stochastic general equilibrium model. The framework in question is a more general one, in which a “standard” or relatively simple model is nested as a special case. Results of numerical experiments suggest that different computational methods may be used interchangeably in the case of the standard model, but not in the case of the more general model. Varying a preference parameter allows us to compare what happens to solutions using alternative procedures as one moves away from the special case to the more general framework. On the basis of the numerical experiments conducted, we find that not only do differences in solutions become larger, but answers to several economic issues of interest can yield qualitatively different answers depending on the solution method used. Examples of such issues include how second moment features change as one varies the parameters of a model, and the relative contribution of different types of stochastic shocks to fluctuations in variables.

Suggested Citation

  • Radhika Lahiri, 2003. "A Further Exploration of Some Computational Issues in Equilibrium Business Cycle Theory," School of Economics and Finance Discussion Papers and Working Papers Series 136, School of Economics and Finance, Queensland University of Technology.
  • Handle: RePEc:qut:dpaper:136

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    References listed on IDEAS

    1. Christiano, Lawrence J, 1990. "Linear-Quadratic Approximation and Value-Function Iteration: A Comparison," Journal of Business & Economic Statistics, American Statistical Association, vol. 8(1), pages 99-113, January.
    2. Gomme, Paul & Greenwood, Jeremy, 1995. "On the cyclical allocation of risk," Journal of Economic Dynamics and Control, Elsevier, vol. 19(1-2), pages 91-124.
    3. Lahiri, Radhika, 2002. "The Inflation Tax, Variable Time Preference, And The Business Cycle," Macroeconomic Dynamics, Cambridge University Press, vol. 6(04), pages 496-522, September.
    4. King, Robert G. & Plosser, Charles I. & Rebelo, Sergio T., 1988. "Production, growth and business cycles : II. New directions," Journal of Monetary Economics, Elsevier, vol. 21(2-3), pages 309-341.
    5. King, Robert G. & Plosser, Charles I. & Rebelo, Sergio T., 1988. "Production, growth and business cycles : I. The basic neoclassical model," Journal of Monetary Economics, Elsevier, vol. 21(2-3), pages 195-232.
    6. James Dolmas & Mark A. Wynne, 1994. "Fiscal policy in more general equilibrium," Working Papers 9407, Federal Reserve Bank of Dallas.
    7. repec:cup:macdyn:v:6:y:2002:i:4:p:496-522 is not listed on IDEAS
    8. Epstein, Larry G., 1983. "Stationary cardinal utility and optimal growth under uncertainty," Journal of Economic Theory, Elsevier, vol. 31(1), pages 133-152, October.
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