| Foreword | 6 |
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| Preface | 8 |
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| Contents | 10 |
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| Contributors | 12 |
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| Overview of Chapters | 14 |
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| 1.1 Background | 14 |
| 1.2 The Focus Of Academic Research In This Volume | 15 |
| REFERENCES | 21 |
| Supply Chain Planning Processes for Two Major Retailers | 23 |
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| 2.1 Introduction | 23 |
| 2.2 Supply Chain Description | 25 |
| 2.3 Supply Chain Planning Processes | 27 |
| 2.3.1 Product design and assortment planning | 29 |
| 2.3.2 Sourcing | 29 |
| 30 | 29 |
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| 2.3.3 Logistics planning | 31 |
| 2.3.4 Distribution planning and inventory management | 32 |
| 2.3.5 Clearance and markdown optimization | 33 |
| 2.3.6 Cross-channel optimization | 34 |
| 2.4 Conclusion | 34 |
| REFERENCES | 35 |
| The effects of firm size and sales growth rate on inventory turnover performance in the U.S. retail sector | 36 |
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| 3.1 Introduction | 36 |
| 3.2 Literature Review | 39 |
| 3.3 Data Description | 41 |
| 3.4 Adjusted Inventory Turnover | 47 |
| 3.5 Hypotheses | 48 |
| 3.5.1 Effect of firm size on inventory turnover | 49 |
| 3.5.2 Effect of sales ratio on inventory turnover | 51 |
| 3.6 Model | 53 |
| 3.7 Results | 54 |
| 3.8 Conclusions and Directions for Future Research | 59 |
| REFERENCES | 62 |
| The Role of Execution in Managing Product Availability | 64 |
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| 4.1 Introduction | 64 |
| 4.2 Retail Execution Problems | 65 |
| 4.2.1 Inventory record inaccuracy | 66 |
| 4.2.2 Misplaced products | 67 |
| 4.2.3 Root causes of execution problems | 67 |
| 4.3 Factors that Exacerbate Execution Problems | 69 |
| 4.3.1 Inventory levels | 70 |
| 4.3.2 Product variety | 71 |
| 4.3.3 Employee turnover and training | 71 |
| 4.3.4 Employee workload | 72 |
| 4.3.5 Employee effort | 73 |
| 4.4 How Execution Problems Affect Inventory Planning | 74 |
| 4.4.1 Effect of inventory record inaccuracy on inventory planning | 74 |
| 4.4.2 Effect of misplaced products on inventory planning | 75 |
| 4.4.3 Incorporating execution problems into existing research streams | 76 |
| 4.5 Future Research Opportunities | 77 |
| 4.1 APPENDIX 1 | 80 |
| 4.1.3 DeHoratius and Raman (2008) | 80 |
| 4.1.3 Ton and Raman (2006) | 82 |
| 4.1.3 Ton and Raman (2007) | 84 |
| REFERENCES | 86 |
| Category captainship practices in the retail industry | 89 |
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| 5.1 Introduction | 89 |
| 5.1.4 Category captainship implementations in practice | 90 |
| 5.2 Review of Existing Research on Category Captainship | 92 |
| 5.2.1 Emergence of category captainship | 94 |
| 5.2.2 Delegation of the pricing decisions | 96 |
| 5.2.3 Delegation of the assortment selection decision | 100 |
| 5.2.4 Antitrust concerns | 103 |
| 5.3 Impact of Category Captainship Practices on the Retail Industry | 104 |
| 5.4 Future Research Directions | 105 |
| REFERENCES | 107 |
| Assortment planning: Review of literature and Industry Practice | 109 |
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| 6.1 Introduction | 109 |
| 6.2 Related Literature | 111 |
| 6.2.1 Product variety and product line design | 112 |
| 6.2.2 Multi-item inventory models | 113 |
| 6.2.3 Shelf space allocation models | 114 |
| 6.2.4 Perception of variety | 116 |
| 6.3 Demand Models | 116 |
| 6.3.1 Consumer driven substitution | 117 |
| 6.3.2 Multinomial logit | 118 |
| 6.3.3 Exogenous demand model | 120 |
| 6.3.4 Locational choice model | 123 |
| 6.4 Assortment Selection and Inventory Planning | 124 |
| 6.4.1 Assortment planning with multinomial logit: The van Ryzin and Mahajan model | 124 |
| 6.4.1.1 Extensions | 126 |
| 6.4.2 Assortment planning under exogenous demand models | 127 |
| 6.4.2.1 Smith and Agrawal model | 128 |
| 6.4.2.2 Kök and Fisher model | 129 |
| 6.4.3 Assortment planning under locational choice | 133 |
| 6.4.4 Assortment planning in decentralized supply chains | 135 |
| 6.4.5 Dynamic assortment planning | 136 |
| 6.4.6 Assortment planning models with multiple categories | 137 |
| 6.5 Demand Estimation | 140 |
| 6.5.1 Estimation of the MNL | 140 |
| 6.5.1.1 With panel data | 140 |
| 6.5.1.2 With sales transaction data | 142 |
| 6.5.1.3 With sales summary data | 142 |
| 6.5.2 Estimation of substitution rates in exogenous demand models | 145 |
| 6.5.2.1 Estimation of stockout-based substitution | 145 |
| 6.5.2.2 Estimation of assortment-based substitution | 146 |
| 6.6 Assortment Planning in Practice | 147 |
| 6.6.1 Best Buy | 147 |
| 6.6.2 Borders | 149 |
| 6.6.3 Tanishq | 150 |
| 6.6.4 Albert Heijn | 153 |
| 6.6.5 Comparison of academic and industry approaches to assortment planning | 154 |
| 6.7 Directions for Future Research | 156 |
| REFERENCES | 159 |
| Managing variety on the retail shelf: Using household scanner panel data to rationalize assortments | 164 |
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| 7.1 Introduction | 165 |
| 7.2 Literature Review | 167 |
| 7.3 Consumer Model | 171 |
| 7.4 The Retailer Assortment and Stocking Problem | 174 |
| 7.4.1 Basic formulation | 174 |
| 7.4.2 Modeling no purchase | 177 |
| 7.4.3 Reformulation | 178 |
| 7.4.4 Discussion of the optimization model and some special cases | 179 |
| 7.5 Computational Study | 180 |
| 7.5.1 Description of household scanner panel data | 180 |
| 7.5.2 Solution technique for assortment problem | 182 |
| 7.5.3 Optimal assortment | 183 |
| 7.6 Summary, Extensions, and Future Work | 186 |
| 7.1 Appendix | 188 |
| 7.1.3 Proof of Proposition 4.1 | 188 |
| REFERENCES | 189 |
| Optimizing Retail Assortments for Diverse Customer Preferences | 192 |
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| 8.1 Introduction | 192 |
| 8.2 Model Description | 194 |
| 8.2.1 Modeling the Consumer’s Purchase Decision | 195 |
| 8.2.2 Retailer’s assortment optimization | 200 |
| 8.2.3 Properties of the optimal assortment | 204 |
| 8.2.4 Solving the Optimization Problem | 206 |
| 8.3 Illustrative Application for a DVD Player Data Base | 207 |
| 8.3.1 Comparing the Model’s Predictions to a
|