What is included with this book?
Introduction | p. 1 |
From Product Variety to Postponement | p. 1 |
Product Variety | p. 1 |
Mass Customization | p. 2 |
Postponement Strategy | p. 3 |
Classification of Postponement | p. 3 |
Pull Postponement | p. 4 |
Logistics Postponement | p. 6 |
Form Postponement | p. 7 |
Price Postponement | p. 8 |
Implications | p. 8 |
Advantages and Disadvantages of Postponement | p. 9 |
Prerequisites for Postponement Strategy Development | p. 10 |
Cost Models for Analyzing Postponement Strategies | p. 11 |
Stochastic Models | p. 11 |
Heuristic Models | p. 12 |
Descriptive Models | p. 13 |
Performance Measures | p. 14 |
A Literature Review for Model Development | p. 14 |
EOQ and EPQ Models | p. 15 |
Lot Size-Reorder Point Model | p. 16 |
Markov Chain | p. 16 |
Concluding Remarks | p. 17 |
Analysis of Pull Postponement by EOQ-based Models | p. 19 |
Postponement Strategy for Ordinary (Imperishable) Items | p. 19 |
Proposed Model and Assumptions | p. 19 |
Case 1: Same Backorder Cost | p. 22 |
Case 2: Different Backorder Costs | p. 26 |
A Numerical Example | p. 30 |
Postponement Strategy for Perishable Items | p. 32 |
Notation and Assumptions | p. 33 |
Model Formulation | p. 34 |
The Postponement and Independent Systems | p. 38 |
Numerical Examples | p. 39 |
Concluding Remarks | p. 41 |
Analysis of Postponement Strategy by EPQ-based Models | p. 43 |
Analysis of Postponement Strategy by an EPQ-based Model without Stockout | p. 43 |
Proposed Model and Assumptions | p. 43 |
2 Machines for 2 End-Products | p. 46 |
n Machines for n End-Products | p. 56 |
Analysis of Postponement Strategy by an EPQ-based Model with Planned Backorders | p. 62 |
Proposed Model and Assumptions | p. 63 |
Demands Are Met Continuously | p. 65 |
Demands Are Met After Production Is Complete | p. 71 |
Concluding Remarks | p. 78 |
Evaluation of a Postponement System with an (r, q) Policy | p. 81 |
The Proposed Models and Assumptions | p. 81 |
System Dynamics for a Non-postponement System | p. 83 |
The Algorithm for Finding a Near Optimal Total Average Cost of an (r, q) Policy | p. 84 |
The Markov Chain Development | p. 84 |
The Algorithm for Finding a Near Optimal Total Average Cost | p. 99 |
System Dynamics for a Postponement System | p. 102 |
Average Cost Comparison of the Two Systems When L = 0 | p. 103 |
Average Cost Comparison of the Two Systems When L ≥ 1 | p. 104 |
An Overview of the Simulation Results | p. 104 |
Impacts of Parameters on Average Cost | p. 106 |
Concluding Remarks | p. 107 |
Simulation of a Two-End-Product Postponement System | p. 109 |
Proposed Model and Assumptions | p. 110 |
Notation | p. 111 |
Model Assumptions | p. 111 |
Methodology | p. 112 |
System Dynamics | p. 112 |
The Simulation Model | p. 114 |
Customer Demand Distribution | p. 114 |
Order Quantity and Reorder Point | p. 115 |
Summary of Parameters | p. 115 |
Initial Conditions | p. 115 |
Simulation Results for Non-cost Parameters | p. 117 |
Uniform Distribution | p. 117 |
Poisson Distribution | p. 118 |
Normal Distribution I | p. 119 |
Normal Distribution II | p. 120 |
Simulation Results for Cost Parameters | p. 121 |
Concluding Remarks | p. 123 |
Application of Postponement: Examples from Industry | p. 125 |
A Case Study from Hong Kong | p. 125 |
An Overview of the Company | p. 126 |
Implementation of Postponement | p. 126 |
Benefits of Using Postponement | p. 127 |
Implications | p. 128 |
The Case of Taiwanese Information Technology Industry | p. 129 |
The Hypothesis | p. 129 |
Methodology | p. 130 |
Results | p. 131 |
Implications | p. 131 |
Concluding Remarks | p. 132 |
Conclusions, Implications and Future Research Directions | p. 133 |
Conclusions | p. 133 |
Implications and Further Research Directions | p. 134 |
Simulation Results (Uniform Distribution) | p. 137 |
Simulation Results (Poisson Distribution) | p. 141 |
Simulation Results (Normal Distribution I) | p. 147 |
Simulation Results (Normal Distribution II) | p. 151 |
Simulation Results for Cost Analysis | p. 155 |
References | p. 157 |
About the Authors | p. 163 |
Index | p. 165 |
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