Cover image for Matching supply with demand : an introduction to operations management
Title:
Matching supply with demand : an introduction to operations management
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Edition:
2nd ed.
Publication Information:
Boston, MA : McGraw-Hill/Irwin, 2009
ISBN:
9780073525167
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30000010169246 TS155 C32 2009 Open Access Book Book
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Summary

Summary

MATCHING SUPPLY WITH DEMAND by Cachon and Terwiesch is the most authoritative, cutting-edge book for operations management MBAs. The book demands rigorous analysis on the part of students without requiring consistent use of sophisticated mathematical modeling to perform it. When the use of quantitative tools or formal modeling is indicated, it is only to perform the necessary analysis needed to inform and support a practical business solution.


Table of Contents

Chapter 1 Introductionp. 1
1.1 Learning Objectives and Frameworkp. 3
1.2 Road Map of the Bookp. 6
Chapter 2 The Process View of the Organizationp. 10
2.1 Presbyterian Hospital in Philadelphiap. 10
2.2 Three Measures of Process Performancep. 15
2.3 Little's Lawp. 16
2.4 Inventory Turns and Inventory Costsp. 19
2.5 Five Reasons to Hold Inventoryp. 23
Pipeline Inventoryp. 23
Seasonal Inventoryp. 24
Cycle Inventoryp. 25
Decoupling Inventory/Buffersp. 26
Safety Inventoryp. 26
2.6 The Product-Process Matrixp. 27
2.7 Summaryp. 29
2.8 Further Readingsp. 29
2.9 Practice Problemsp. 29
Chapter 3 Understanding the Supply Process: Evaluating Process Capacityp. 32
3.1 How to Draw a Process Flow Diagramp. 33
3.2 Bottleneck, Process Capacity, and Flow Rate (Throughput)p. 38
3.3 How Long Does It Take to Produce a Certain Amount of Supply?p. 40
3.4 Process Utilization and Capacity Utilizationp. 41
3.5 Workload and Implied Utilizationp. 43
3.6 Multiple Types of Flow Unitsp. 44
3.7 Summaryp. 48
3.8 Practice Problemsp. 50
Chapter 4 Estimating and Reducing Labor Costsp. 56
4.1 Analyzing an Assembly Operationp. 56
4.2 Time to Process a Quantity X Starting with an Empty Processp. 58
4.3 Labor Content and Idle Timep. 60
4.4 Increasing Capacity by Line Balancingp. 63
4.5 Scale Up to Higher Volumep. 66
Increasing Capacity by Replicating the Linep. 67
Increasing Capacity by Selectively Adding Workersp. 67
Increasing Capacity by Further Specializing Tasksp. 69
4.6 Summaryp. 72
4.7 Further Readingsp. 74
4.8 Practice Problemsp. 74
Chapter 5 The Link between Operations and Financep. 80
5.1 Paul Downs Cabinetmakersp. 81
5.2 Building an ROIC Treep. 82
5.3 Valuing Operational Improvementsp. 87
5.4 Analyzing Operations Based on Financial Datap. 90
5.5 Summaryp. 95
5.6 Further Readingsp. 95
5.7 Practice Problemp. 95
Chapter 6 Batching and Other Flow Interruptions: Setup Times and the Economic Order Quantity Modelp. 97
6.1 The Impact of Setups on Capacityp. 98
6.2 Interaction between Batching and Inventoryp. 101
6.3 Choosing a Batch Size in the Presence of Setup Timesp. 103
6.4 Balancing Setup Costs with Inventory Costs: The EOQ Modelp. 106
6.5 Observations Related to the Economic Order Quantityp. 110
6.6 Transfer Batchesp. 114
6.7 Setup Time Reductionp. 114
6.8 Other Flow Interruptions: Buffer or Sufferp. 115
6.9 Summaryp. 117
6.10 Further Readingp. 119
6.11 Practice Problemsp. 119
Chapter 7 Variability and Its Impact on Process Performance: Waiting Time Problemsp. 124
7.1 Motivating Example: A Somewhat Unrealistic Call Centerp. 125
7.2 Variability: Where It Comes From and How It Can Be Measuredp. 127
7.3 Analyzing an Arrival Processp. 129
Stationary Arrivalsp. 131
Exponential Interarrival Timesp. 133
Nonexponential Interarrival Timesp. 134
Summary: Analyzing an Arrival Processp. 135
7.4 Service Time Variabilityp. 135
7.5 Predicting the Average Waiting Time for the Case of One Resourcep. 137
7.6 Predicting the Average Waiting Time for the Case of Multiple Resourcesp. 141
7.7 Service Levels in Waiting Time Problemsp. 144
7.8 Economic Implications: Generating a Staffing Planp. 145
7.9 Impact of Pooling: Economies of Scalep. 148
7.10 Priority Rules in Waiting Linesp. 152
Service-Time-Dependent Priority Rulesp. 152
Service-Time-Independent Priority Rulesp. 152
7.11 Reducing Variabilityp. 153
Ways to Reduce Arrival Variabilityp. 153
Ways to Reduce Service Time Variabilityp. 154
7.12 Summaryp. 156
7.13 Further Readingp. 157
7.14 Practice Problemsp. 157
Chapter 8 The Impact of Variability on Process Performance: Throughput Lossesp. 163
8.1 Motivating Examples: Why Averages Do Not Workp. 163
8.2 Ambulance Diversionp. 164
8.3 Throughput Loss for a Simple Processp. 165
8.4 Customer Impatience and Throughput Lossp. 169
8.5 Several Resources with Variability in Sequencep. 171
The Role of Buffersp. 172
8.6 Summaryp. 174
8.7 Further Readingp. 175
8.8 Practice Problemsp. 175
Chapter 9 Quality Management, Statistical Process Control, and Six-Sigma Capabilityp. 178
9.1 Controlling Variation: Practical Motivationp. 179
9.2 The Two Types of Variationp. 180
9.3 Constructing Control Chartsp. 182
9.4 Control Chart Example from a Service Settingp. 185
9.5 Design Specifications and Process Capabilityp. 188
9.6 Attribute Control Chartsp. 190
9.7 Robust Process Designp. 192
9.8 Impact of Yields and Defects on Process Flowp. 194
Reworkp. 195
Eliminating Flow Units from the Processp. 196
Cost Economics and Location of Test Pointsp. 196
Defects and Variabilityp. 197
9.9 A Process for Improvementp. 198
9.10 Further Readingp. 200
9.11 Practice Problemsp. 200
Chapter 10 Lean Operations and the Toyota Production Systemp. 202
10.1 The History of Toyotap. 202
10.2 TPS Frameworkp. 204
10.3 The Seven Sources of Wastep. 205
10.4 JIT: Matching Supply with Demandp. 208
Achieve One-Unit-at-a-Time Flowp. 208
Produce at the Rate of Customer Demandp. 209
Implement Pull Systemsp. 209
10.5 Quality Managementp. 211
10.6 Exposing Problems through Inventory Reductionp. 213
10.7 Flexibilityp. 214
10.8 Standardization of Work and Reduction of Variabilityp. 215
10.9 Human Resource Practicesp. 216
10.10 Lean Transformationp. 217
10.11 Further Readingp. 218
10.12 Practice Problemsp. 218
Chapter 11 Betting on Uncertain Demand: The Newsvendor Modelp. 220
11.1 O'Neill Inc.p. 221
11.2 An Introduction to the Newsvendor Modelp. 223
11.3 Constructing a Demand Forecastp. 223
11.4 The Expected Profit-Maximizing Order Quantityp. 232
11.5 Performance Measuresp. 236
Expected Lost Salesp. 237
Expected Salesp. 239
Expected Leftover Inventoryp. 239
Expected Profitp. 240
Fill Ratep. 240
In-Stock Probability and Stockout Probabilityp. 241
11.6 Other Objectives for Choosing an Order Quantityp. 242
11.7 Managerial Lessonsp. 244
11.8 Summaryp. 246
11.9 Further Readingp. 248
11.10 Practice Problemsp. 248
Chapter 12 Assemble-to-Order, Make-to-Order, and Quick Response with Reactive Capacityp. 256
12.1 Evaluating and Minimizing the Newsvendor's Demand-Supply Mismatch Costp. 257
12.2 When Is the Mismatch Cost High?p. 259
12.3 Reducing Mismatch Costs with Make-to-Orderp. 262
12.4 Quick Response with Reactive Capacityp. 263
Unlimited, but Expensive, Reactive Capacityp. 263
Limited Reactive Capacityp. 267
12.5 Summaryp. 274
12.6 Further Readingp. 276
12.7 Practice Problemsp. 276
Chapter 13 Service Levels and Lead Times in Supply Chains: The Order-up-to Inventory Modelp. 283
13.1 Medtronic's Supply Chainp. 284
13.2 The Order-up-to Model Design and Implementationp. 287
13.3 The End-of-Period Inventory Levelp. 290
13.4 Choosing Demand Distributionsp. 291
13.5 Performance Measuresp. 295
In-Stock and Stockout Probabilityp. 295
Expected Back Orderp. 297
Fill Ratep. 298
Expected On-Hand Inventoryp. 299
Pipeline Inventory/Expected On-Order Inventoryp. 300
13.6 Choosing an Order-up-to Level to Meet a Service Targetp. 300
An In-Stock Probability Targetp. 301
A Fill Rate Targetp. 301
13.7 Choosing an Appropriate Service Levelp. 304
13.8 Controlling Ordering Costsp. 307
13.9 Medtronic Wrap-upp. 310
13.10 Managerial Insightsp. 312
13.11 Summaryp. 315
13.12 Further Readingp. 316
13.13 Practice Problemsp. 316
Chapter 14 Risk-Pooling Strategies to Reduce and Hedge Uncertaintyp. 321
14.1 Location Poolingp. 321
Pooling Medtronic's Field Inventoryp. 322
Medtronic's Distribution Center(s)p. 326
Electronic Commercep. 328
14.2 Product Poolingp. 330
14.3 Lead Time Pooling: Consolidated Distribution and Delayed Differentiationp. 336
Consolidated Distributionp. 336
Delayed Differentiationp. 341
14.4 Capacity Pooling with Flexible Manufacturingp. 344
14.5 Summaryp. 349
14.6 Further Readingp. 352
14.7 Practice Problemsp. 352
Chapter 15 Revenue Management with Capacity Controlsp. 357
15.1 Revenue Management and Margin Arithmeticp. 357
15.2 Protection Levels and Booking Limitsp. 359
15.3 Overbookingp. 365
15.4 Implementation of Revenue Managementp. 367
Demand Forecastingp. 368
Dynamic Decisionsp. 368
Variability in Available Capacityp. 368
Reservations Coming in Groupsp. 368
Effective Segmenting of Customersp. 368
Multiple Fare Classesp. 369
Software Implementationp. 369
Variation in Capacity Purchase: Not All Customers Purchase One Unit of Capacityp. 369
15.5 Summaryp. 371
15.6 Further Readingp. 372
15.7 Practice Problemsp. 372
Chapter 16 Supply Chain Coordinationp. 377
16.1 The Bullwhip Effect: Causes and Consequencesp. 377
Order Synchronizationp. 380
Order Batchingp. 382
Trade Promotions and Forward Buyingp. 383
Reactive and Overreactive Orderingp. 386
Shortage Gamingp. 387
16.2 Bullwhip Effect: Mitigating Strategiesp. 388
Sharing Informationp. 389
Smoothing the Flow of Productp. 389
Eliminating Pathological Incentivesp. 390
Using Vendor-Managed Inventoryp. 390
16.3 Incentive Conflicts in a Sunglasses Supply Chainp. 392
16.4 Buy-Back Contractsp. 395
16.5 More Supply Chain Contractsp. 401
Quantity Discountsp. 401
Options Contractsp. 401
Revenue Sharingp. 401
Quantity Flexibility Contractsp. 402
Price Protectionp. 402
16.6 Summaryp. 403
16.7 Further Readingp. 403
16.8 Practice Problemsp. 403
Appendix A Statistics Tutorialp. 406
Appendix B Tablesp. 415
Appendix C Evaluation of the Loss Functionp. 427
Appendix D Equations and Approximationsp. 430
Appendix E Solutions to Selected Practice Problemsp. 437
Glossaryp. 462
Referencesp. 471
Index of Key "How to" Exhibitsp. 474
Summary of Key Notation and Equationsp. 475
Indexp. 479