A simple but powerful simulated certainty equivalent approximation method for dynamic stochastic problems

Yongyang Cai and Kenneth Judd

Quantitative Economics, 2023, vol. 14, issue 2, 651-687

Abstract: We introduce a novel simulated certainty equivalent approximation (SCEQ) method for solving dynamic stochastic problems. Our examples show that SCEQ can quickly 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. With the SCEQ method, a desktop computer will suffice for large problems, but it can also use parallel tools efficiently. The SCEQ method is simple, stable, and can utilize any solver, making it suitable for solving complex economic problems that cannot be solved by other algorithms.

Date: 2023
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https://doi.org/10.3982/QE1835

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Working Paper: A Simple but Powerful Simulated Certainty Equivalent Approximation Method for Dynamic Stochastic Problems (2021)
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