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A Simple but Powerful Simulated Certainty Equivalent Approximation Method for Dynamic Stochastic Problems

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  • Yongyang Cai
  • Kenneth L. Judd

Abstract

We introduce a novel simulated certainty equivalent approximation (SCEQ) method for solving dynamic stochastic problems. Our examples show that this method only requires a desktop computer to solve high-dimensional finite- or infinite-horizon, stationary or nonstationary dynamic stochastic problems with hundreds of state variables, a wide state space, and occasionally binding constraints. The SCEQ method is simple, stable, and efficient, which makes it suitable for solving complex economic problems that cannot be solved by other algorithms.

Suggested Citation

  • Yongyang Cai & Kenneth L. Judd, 2021. "A Simple but Powerful Simulated Certainty Equivalent Approximation Method for Dynamic Stochastic Problems," NBER Working Papers 28502, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:28502
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    Cited by:

    1. is not listed on IDEAS
    2. Braga, Joao Paulo & Chen, Pu & Semmler, Willi, 2025. "Central banks, climate risks, and energy transition—a dynamic macro model and econometric evidence," Macroeconomic Dynamics, Cambridge University Press, vol. 29, pages 1-1, January.
    3. Yongyang Cai, 2025. "Modeling Uncertainty in Integrated Assessment Models," Papers 2511.00378, arXiv.org.

    More about this item

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques
    • C68 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computable General Equilibrium Models
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming
    • Q58 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Government Policy

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