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Green Simulation: Reusing the Output of Repeated Experiments

Published: 27 October 2017 Publication History
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  • Abstract

    We introduce a new paradigm in simulation experiment design and analysis, called “green simulation,” for the setting in which experiments are performed repeatedly with the same simulation model. Green simulation means reusing outputs from previous experiments to answer the question currently being asked of the simulation model. As one method for green simulation, we propose estimators that reuse outputs from previous experiments by weighting them with likelihood ratios, when parameters of distributions in the simulation model differ across experiments. We analyze convergence of these estimators as more experiments are repeated, while a stochastic process changes the parameters used in each experiment. As another method for green simulation, we propose an estimator based on stochastic kriging. We find that green simulation can reduce mean squared error by more than an order of magnitude in examples involving catastrophe bond pricing and credit risk evaluation.

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        cover image ACM Transactions on Modeling and Computer Simulation
        ACM Transactions on Modeling and Computer Simulation  Volume 27, Issue 4
        October 2017
        158 pages
        ISSN:1049-3301
        EISSN:1558-1195
        DOI:10.1145/3155315
        Issue’s Table of Contents
        Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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        Badge change: Article originally badged under Version 1.0 guidelines https://www.acm.org/publications/policies/artifact-review-badging

        Publication History

        Published: 27 October 2017
        Accepted: 01 July 2017
        Revised: 01 May 2017
        Received: 01 October 2016
        Published in TOMACS Volume 27, Issue 4

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        Author Tags

        1. Likelihood ratio method
        2. multiple importance sampling
        3. score function method
        4. simulation metamodeling

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