期刊
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
卷 200, 期 1, 页码 127-138出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ejor.2008.12.025
关键词
Inventory; Sensitivity analysis; Modified economic order quantity models; Finite change sensitivity indices; Comparative statics
资金
- ELEUSI
In this work, we introduce a new method for the sensitivity analysis of model output in the presence of finite changes in one or more of the exogenous variables. We define sensitivity measures that do not rest on differentiability. We relate the sensitivity measures to classical differential and comparative statics indicators. We prove a result that allows us to obtain the sensitivity measures at the same cost of one-variable-at-a-time methods, thus making their estimation feasible also for computationally intensive models. We discuss in detail the derivation of managerial insights formulating a procedure based on the concept of Settings. The method is applied to the sensitivity analysis of a discrete change in optimal order quantity following a jump in the exogenous variables of a non-linear programming inventory model. (C) 2008 Elsevier B.V. All rights reserved.
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