Using nonlinear model predictive control for dynamic decision problems in economics

Lars Grüne, Willi Semmler and Marleen Stieler

Journal of Economic Dynamics and Control, 2015, vol. 60, issue C, 112-133

Abstract: This paper presents a new approach to solve dynamic decision models in economics. The proposed procedure, called Nonlinear Model Predictive Control (NMPC), relies on the iterative solution of optimal control problems on finite time horizons and is well established in engineering applications for stabilization and tracking problems. Only quite recently, extensions to more general optimal control problems including those appearing in economic applications have been investigated. Like Dynamic Programming (DP), NMPC does not rely on linearization techniques but uses the full nonlinear model and in this sense provides a global solution to the problem. However, unlike DP, NMPC only computes one optimal trajectory at a time, thus avoids to grid the state space and for this reason the computational demand grows much more moderately with the space dimension than for DP. In this paper we explain the basic idea of NMPC, give a proof concerning the accuracy of NMPC for discounted optimal control problems, present implementational details, and demonstrate the ability of NMPC to solve dynamic decision problems in economics by solving low and high dimensional examples, including models with multiple equilibria, tracking and stochastic problems.

Keywords: Complex decision models; Long and short horizon models; Dynamic optimization; Multiple equilibria; Regime changes; NMPC (search for similar items in EconPapers)
JEL-codes: C61 C63 (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (50)

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Working Paper: Using Nonlinear Model Predictive Control for Dynamic Decision Problems in Economics (2013)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:dyncon:v:60:y:2015:i:c:p:112-133

DOI: 10.1016/j.jedc.2015.08.010

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