Calibration of Storage Model by Multi-Stage Statistical and Machine Learning Methods

Nader Karimi, Hirbod Assa (), Erfan Salavati and Hojatollah Adibi
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Nader Karimi: Amirkabir University of Technology
Hirbod Assa: Kent Business School
Erfan Salavati: Amirkabir University of Technology
Hojatollah Adibi: Amirkabir University of Technology

Computational Economics, 2023, vol. 62, issue 4, No 3, 1437-1455

Abstract: Abstract Calibration of multidimensional economic problems proven to be difficult, as there is a high risk of problem miss-identification. In this paper we propose a multi-stage calibration method to estimate the six parameters of a commodity market price model that includes storage. We assume that the commodity prices are derived from the optimal commodity storage time when the demand process follows a mean-reverting log-Ornstein–Uhlenbeck process. Using two alternative value functions, first we propose a two-stage method to maximize the likelihood functions obtained by Milstein method. Then by considering a regularized likelihood functions we propose a multi-stage method to calibrate the parameters of our problem. After we realize our method is perfectly performing on the simulated data, we encounter it to actual data and calibrate the parameters. We observe that our multi-stage calibration method is robust and that the storage model outperforms the non-storage model.

Keywords: Calibration; Multi-stage estimation method; Likelihood; Cross validation; Regularization (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s10614-022-10304-z

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