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supply chain management
This document provides an overview of supply chain concepts and examples. It discusses key topics such as: - The cycle and push/pull views of analyzing supply chain processes - Examples of different supply chains like Dell, L.L. Bean, and grocery retailers - The three main decision phases in supply chain management: strategy, planning, and operations - How effective supply chain management can maximize overall profitability across all stages.
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supply chain management
- 1. 1-1 Chapter 1 Understanding theSupply Chain
- 2. Freight Transportation$352, $455 Billion Inventory Expense $221, $311 Billion Administrative Expense $27, $31 Billion Logistics Related Activity 11%, 10.5% of GNP 1-2 Source: Cass Logistics
- 3. Profit 4% Logistics Cost 21% Marketing Cost 27% Manufacturing Cost 48% 1-3 Profit Logistics Cost Marketing Cost Manufacturing Cost
- 4. Estimated thatthe grocery industry could save $30 billion (10% of operating cost) by using effective logistics and supply chain strategies ◦ A typical box of cereal spends 104 days from factory to sale ◦ A typical car spends 15 days from factory to dealership Laura Ashley turns its inventory 10 times a year, five times faster than 3 years ago 1-4
- 5. Compaq estimatesit lost $.5 billion to $1 billion in sales in 1995 because laptops were not available when and where needed When the 1 gig processor was introduced by AMD, the price of the 800 mb processor dropped by 30% P&G estimates it saved retail customers $65 million by collaboration resulting in a better match of supply and demand 1-5
- 6. What isa Supply Chain? Decision Phases in a Supply Chain Process View of a Supply Chain The Importance of Supply Chain Flows Examples of Supply Chains 1-6
- 7. Introduction Theobjective of a supply chain 1-7
- 8. All stagesinvolved, directly or indirectly, in fulfilling a customer request Includes manufacturers, suppliers, transporters, warehouses, retailers, and customers Within each company, the supply chain includes all functions involved in fulfilling a customer request (product development, marketing, operations, distribution, finance, customer service) Examples: Fig. 1.1 Detergent supply chain (Wal- Mart), Dell 1-8
- 9. Customer isan integral part of the supply chain Includes movement of products from suppliers to manufacturers to distributors, but also includes movement of information, funds, and products in both directions Probably more accurate to use the term “supply network” or “supply web” Typical supply chain stages: customers, retailers, distributors, manufacturers, suppliers (Fig. 1.2) All stages may not be present in all supply chains (e.g., no retailer or distributor for Dell) 1-9
- 10. 1- 10 Customer wants detergent andgoes to Jewel Customer wants detergent and goes to Jewel Jewel Supermarket Jewel Supermarket Jewel or third party DC Jewel or third party DC P&G or other manufacturer P&G or other manufacturer Plastic Producer Plastic Producer Chemical manufacturer (e.g. Oil Company) Chemical manufacturer (e.g. Oil Company) Tenneco Packaging Tenneco Packaging Paper Manufacturer Paper Manufacturer Timber Industry Timber Industry Chemical manufacturer (e.g. Oil Company) Chemical manufacturer (e.g. Oil Company)
- 11.
- 12. Maximize overallvalue created Supply chain value: difference between what the final product is worth to the customer and the effort the supply chain expends in filling the customer’s request Value is correlated to supply chain profitability (difference between revenue generated from the customer and the overall cost across the supply chain) 1- 12
- 13. Example: Dellreceives $2000 from a customer for a computer (revenue) Supply chain incurs costs (information, storage, transportation, components, assembly, etc.) Difference between $2000 and the sum of all of these costs is the supply chain profit Supply chain profitability is total profit to be shared across all stages of the supply chain Supply chain success should be measured by total supply chain profitability, not profits at an individual stage 1- 13
- 14. Sources ofsupply chain revenue: the customer Sources of supply chain cost: flows of information, products, or funds between stages of the supply chain Supply chain management is the management of flows between and among supply chain stages to maximize total supply chain profitability 1- 14
- 15. Supply chainstrategy or design Supply chain planning Supply chain operation 1- 15
- 16. Decisions aboutthe structure of the supply chain and what processes each stage will perform Strategic supply chain decisions ◦ Locations and capacities of facilities ◦ Products to be made or stored at various locations ◦ Modes of transportation ◦ Information systems Supply chain design must support strategic objectives Supply chain design decisions are long-term and expensive to reverse – must take into account market uncertainty 1- 16
- 17. Definition ofa set of policies that govern short- term operations Fixed by the supply configuration from previous phase Starts with a forecast of demand in the coming year 1- 17
- 18. Planning decisions: ◦Which markets will be supplied from which locations ◦ Planned buildup of inventories ◦ Subcontracting, backup locations ◦ Inventory policies ◦ Timing and size of market promotions Must consider in planning decisions demand uncertainty, exchange rates, competition over the time horizon 1- 18
- 19. Time horizonis weekly or daily Decisions regarding individual customer orders Supply chain configuration is fixed and operating policies are determined Goal is to implement the operating policies as effectively as possible Allocate orders to inventory or production, set order due dates, generate pick lists at a warehouse, allocate an order to a particular shipment, set delivery schedules, place replenishment orders Much less uncertainty (short time horizon) 1- 19
- 20. Cycle view:processes in a supply chain are divided into a series of cycles, each performed at the interfaces between two successive supply chain stages Push/pull view: processes in a supply chain are divided into two categories depending on whether they are executed in response to a customer order (pull) or in anticipation of a customer order (push) 1- 20
- 21. 1- 21 Customer Order Cycle ReplenishmentCycle Manufacturing Cycle Procurement Cycle Customer Retailer Distributor Manufacturer Supplier
- 22. Each cycleoccurs at the interface between two successive stages Customer order cycle (customer-retailer) Replenishment cycle (retailer-distributor) Manufacturing cycle (distributor-manufacturer) Procurement cycle (manufacturer-supplier) Figure 1.3 Cycle view clearly defines processes involved and the owners of each process. Specifies the roles and responsibilities of each member and the desired outcome of each process. 1- 22
- 23. 1- 23 Procurement, Manufacturing and Replenishment cycles CustomerOrder Cycle Customer Order Arrives PUSH PROCESSES PULL PROCESSES
- 24. Supply chainprocesses fall into one of two categories depending on the timing of their execution relative to customer demand Pull: execution is initiated in response to a customer order (reactive) Push: execution is initiated in anticipation of customer orders (speculative) Push/pull boundary separates push processes from pull processes 1- 24
- 25. Useful inconsidering strategic decisions relating to supply chain design – more global view of how supply chain processes relate to customer orders Can combine the push/pull and cycle views ◦ L.L. Bean (Figure 1.6) ◦ Dell (Figure 1.7) The relative proportion of push and pull processes can have an impact on supply chain performance 1- 25
- 26. Supply chainprocesses discussed in the two views can be classified into (Figure 1.8): ◦ Customer Relationship Management (CRM) ◦ Internal Supply Chain Management (ISCM) ◦ Supplier Relationship Management (SRM) Integration among the above three macro processes is critical for effective and successful supply chain management 1- 26
- 27. Gateway Zara McMaster Carr / W.W. Grainger Toyota Amazon / Borders / Barnes and Noble Webvan / Peapod / Jewel What are some key issues in these supply chains? 1- 27
- 28. Why didGateway have multiple production facilities in the US? What advantages or disadvantages does this strategy offer relative to Dell, which has one facility? What factors did Gateway consider when deciding which plants to close? Why does Gateway not carry any finished goods inventory at its retail stores? Should a firm with an investment in retail stores carry any finished goods inventory? Is the Dell model of selling directly without any retail stores always less expensive than a supply chain with retail stores? What are the supply chain implications of Gateway’s decision to offer fewer configurations? 1- 28
- 29. What factorsinfluence decisions of opening and closing stores? Location of stores? Why has 7-Eleven chosen off-site preparation of fresh food? Why does 7-Eleven discourage direct store delivery from vendors? Where are distribution centers located and how many stores does each center serve? How are stores assigned to distribution centers? Why does 7-Eleven combine fresh food shipments by temperature? What point of sale data does 7-Eleven gather and what information is made available to store managers? How should information systems be structured? 1- 29
- 30. How manyDCs should there be and where should they be located? How should product stocking be managed at the DCs? Should all DCs carry all products? What products should be carried in inventory and what products should be left at the supplier? What products should Grainger carry at a store? How should markets be allocated to DCs? How should replenishment of inventory be managed at various stocking locations? How should Web orders be handled? What transportation modes should be used? 1- 30
- 31. Where shouldplants be located, what degree of flexibility should each have, and what capacity should each have? Should plants be able to produce for all markets? How should markets be allocated to plants? What kind of flexibility should be built into the distribution system? How should this flexible investment be valued? What actions may be taken during product design to facilitate this flexibility? 1- 31
- 32. What arethe cycle and push/pull views of a supply chain? How can supply chain macro processes be classified? What are the three key supply chain decision phases and what is the significance of each? What is the goal of a supply chain and what is the impact of supply chain decisions on the success of the firm? 1- 32
- 33. Why isAmazon building more warehouses as it grows? How many warehouses should it have and where should they be located? What advantages does selling books via the Internet provide? Are there disadvantages? Why does Amazon stock bestsellers while buying other titles from distributors? Does an Internet channel provide greater value to a bookseller like Borders or to an Internet-only company like Amazon? Should traditional booksellers like Borders integrate e- commerce into their current supply? For what products does the e-commerce channel offer the greatest benefits? What characterizes these products? 1- 33
Editor's Notes
- #2 Introductions – Names, prior work experience including summer, what do students hope to get from class? Mention some prototypical supply chains we will use repeatedly in class – Wal-Mart, 7-Eleven, Dell and Compaq, Amazon and Borders, Supermarket and e-grocer, W.W. Grainger and McMaster Carr - our goal is to identify factors that drive supply chain success and make a comparison between different supply chains. Administration of course - We will discuss concepts and methodologies for supply chain management. The context within which both will be learnt and discussed is provided by cases. Discuss role of case packet readings, cases and book. 5 cases due - 10% for each case 25% for final project 20% for final exam 5% for electronic posting Discuss key dates for submitting project. Three groups will be selected to present. Show course web page and its organization
- #3 Notes: Traditionally logistics and supply chain management has been measured in terms transportation and inventory costs and the administration required to manage both. Traditionally firms would have an inventory manager and a transportation manager. This view is very narrow and causes significant problems in the proper functioning of the supply chain.
- #4 Notes: Key message here is that logistics costs are a significant fraction of the total value of a product. The problem here is that this a purely cost based view of the supply chain and drives a firm to simply reducing logistics costs. This is an incomplete picture.
- #11 Notes: Supply chain involves everybody, from the customer all the way to the last supplier. Key flows in the supply chain are - information, product, and cash. It is through these flows that a supply chain fills a customer order. The management of these flows is key to the success or failure of a firm. Give Dell & Compaq example, Amazon & Borders example to bring out the fact that all supply chain interaction is through these flows.
- #22 The supply chain is a concatenation of cycles with each cycle at the interface of two successive stages in the supply chain. Each cycle involves the customer stage placing an order and receiving it after it has been supplied by the supplier stage. One difference is in size of order. Second difference is in predictability of orders - orders in the procurement cycle are predictable once manufacturing planning has been done. This is the predominant view for ERP systems. It is a transaction level view and clearly defines each process and its owner.
- #24 In this view processes are divided based on their timing relative to the timing of a customer order. Define push and pull processes. They key difference is the uncertainty during the two phases. Give examples at Amazon and Borders to illustrate the two views
- #28 Dell has three production sites worldwide and builds to order. Compaq does both. Consider some decisions involved - where to locate facilities? How to size them? Where is the push/pull boundary? What modes of transport to use? How much inventory to carry? In what form? Where to source from?