Three Essays In Supply Chain Management With Demand Dependencies
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Three Essays In Supply Chain Management With Demand Dependencies
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Author : Kunpeng Li
language : en
Publisher:
Release Date : 2008
Three Essays In Supply Chain Management With Demand Dependencies written by Kunpeng Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
Product demand is an important component of business research. The formulation of demand functions is fundamental in model setups, and can be a direct factor in model results. Demand dependency is an important area in the study of demand functions. This dissertation fits in the demand dependency literature, where many interesting industrial phenomena have been explored, but many others have not yet been studied. In addition, the existing literature mainly focuses on pricing models. Very little has been done on quality design and analysis. This dissertation includes quality as a decision variable in various demand dependency models, investigates some interesting business scenarios, and provides insights to many managerial issues.
Three Essays On Aligning Supply Chain Strategies With The Business Environment
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Author : Christian Joachim Freiherr von Falkenhausen
language : en
Publisher:
Release Date : 2017
Three Essays On Aligning Supply Chain Strategies With The Business Environment written by Christian Joachim Freiherr von Falkenhausen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Three Essays On Antecedents And Enablers Of Superior Supply Chain Performance
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Author : Daniel Rexhausen
language : en
Publisher:
Release Date : 2014
Three Essays On Antecedents And Enablers Of Superior Supply Chain Performance written by Daniel Rexhausen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Three Essays On Aligning Supply Chain Strategies With The Business Environment
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Author : Christian Joachim Freiherr von Falkenhausen
language : en
Publisher:
Release Date : 2017
Three Essays On Aligning Supply Chain Strategies With The Business Environment written by Christian Joachim Freiherr von Falkenhausen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Essays On Supply Chain Management
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Author :
language : en
Publisher:
Release Date : 2011
Essays On Supply Chain Management written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Essays On Supply Chain Management With Model Uncertainty
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Author : Mengshi Lu
language : en
Publisher:
Release Date : 2014
Essays On Supply Chain Management With Model Uncertainty written by Mengshi Lu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Traditional supply chain management models typically require complete model information, including structural relationships (e.g., how pricing decisions affect customer demand), probabilistic distributions, and parameters. However, in practice, the model information may be uncertain. My dissertation research seeks to address model uncertainty in supply chain management problems using data-driven and robust methods. Incomplete information typically comes in two forms, namely, historical data and partial information. When historical data are available, data-driven methods can be used to obtain decisions directly from data, instead of estimating the model information and then using these estimates to find the optimal solution. When partial information is available, robust methods consider all possible scenarios and make decisions to hedge against the worst-case scenario effectively, instead of making simplified assumptions that could lead to significant loss. Chapter 1 provides an overview of model uncertainty in supply chain management, and discusses the limitations of the traditional methods. The main part of the dissertation is on the application of data-driven and robust methods to three widely-studied supply chain management problems with model uncertainty. Chapter 2 studies the reliable facility location problem where the joint-distribution of facility disruptions is uncertain. For this problem, usually, only partial information in the form of marginal facility disruption probabilities is available. Most existing models require the assumption that the disruptions at different locations are independent of each other. However, in practice, correlated disruptions are widely observed. We present a model that allows disruptions to be correlated with an uncertain joint distribution, and apply distributionally-robust optimization to minimize the expected cost under the worst-case distribution with the given marginal disruption probabilities. The worst-case distribution has a practical interpretation, and its sparse structure allows us to solve the problem efficiently. We find that ignoring disruption correlation could lead to significant loss. The robust method can significantly reduce the regret from model misspecification. It outperforms the traditional approach even under very mild correlation. Most of the benefit of the robust model can be captured at a relatively small cost, which makes it easy to implement in practice. Chapter 3 studies the pricing newsvendor problem where the structural relationship between pricing decisions and customer demand is unknown. Traditional methods for this problem require the selection of a parametric demand model and fitting the model using historical data, while model selection is usually a hard problem in itself. Furthermore, most of the existing literature on pricing requires certain conditions on the demand model, which may not be satisfied by the estimates from data. We present a data-driven approach based only on the historical observations and the basic domain knowledge. The conditional demand distribution is estimated using non-parametric quantile regression with shape constraints. The optimal pricing and inventory decisions are determined numerically using the estimated quantiles. Smoothing and kernelization methods are used to achieve regularization and enhance the performance of the approach. Additional domain knowledge, such as concavity of demand with respect to price, can also be easily incorporated into the approach. Numerical results show that the data-driven approach is able to find close-to-optimal solutions. Smoothing, kernelization, and the incorporation of additional domain knowledge can significantly improve the performance of the approach. Chapter 4 studies inventory management for perishable products where a parameter of the demand distribution is unknown. The traditional separated estimation-optimization approach for this problem has been shown to be suboptimal. To address this issue, an integrated approach called operational statistics has been proposed. We study several important properties of operational statistics. We find that the operational statistics approach is consistent and guaranteed to outperform the traditional approach. We also show that the benefit of using operational statistics is larger when the demand variability is higher. We then generalize the operational statistics approach to the risk-averse newsvendor problem under the conditional value-at-risk (CVaR) criterion. Previous results in operational statistics can be generalized to maximize the expectation of conditional CVaR. In order to model risk-aversion to both the uncertainty in demand sampling and the uncertainty in future demand, we introduce a new criterion called the total CVaR, and find the optimal operational statistic for this new criterion.
Essays In Supply Chain Management
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Author : Lan Lu
language : en
Publisher:
Release Date : 2019
Essays In Supply Chain Management written by Lan Lu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Essays On Supply Chain Management In Emerging Markets
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Author : Micha Hirschinger
language : en
Publisher: Springer Gabler
Release Date : 2015-11-24
Essays On Supply Chain Management In Emerging Markets written by Micha Hirschinger and has been published by Springer Gabler this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-24 with Business & Economics categories.
Micha Hirschinger emphasizes the importance of foresight on logistics and institutions in particular for effective decision making as distinct research in this context is limited. He applies a systematic and transferable multi-method approach based on Delphi studies and fuzzy c-means cluster analysis to develop profound scenarios for the future. He uses the relevance of information-processing requirements to investigate whether centralization of purchasing organizations increases functional efficiency. The author finally shows how a sharing-economy business model transfer could help to overcome the limited access to factor markets, especially trucks, at the base of the pyramid.
Essays In Supply Chain Management
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Author : Mahesh Nagarajan
language : en
Publisher:
Release Date : 2003
Essays In Supply Chain Management written by Mahesh Nagarajan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Essays On Supply Chain Management
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Author : Yue Jin
language : en
Publisher:
Release Date : 2007
Essays On Supply Chain Management written by Yue Jin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.