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References: References:
Chopra & MeindlChopra & Meindl
Shridhara bhatShridhara bhat
InternetInternet
Supply Chain Management Supply Chain Management
Introduction
Introduction
Chapter 1Chapter 1
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Lecture OutlineLecture Outline
Supply Chain Management
SCM objectives and importanceSCM objectives and importance
decision phases – process view – decision phases – process view – competitive and supply chain strategies – competitive and supply chain strategies – achieving strategic fitachieving strategic fit
supply chain drivers & obstaclessupply chain drivers & obstacles
framework – framework – facilities – inventory – transportationfacilities – inventory – transportation
– information – sourcing – pricing – information – sourcing – pricing
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What is a Supply Chain?What is a Supply Chain?
All stages involved, directly or indirectly, in fulfilling aAll stages involved, directly or indirectly, in fulfilling acustomer requestcustomer request
Includes manufacturers, suppliers, transporters,Includes manufacturers, suppliers, transporters,warehouses, retailers, and customerswarehouses, retailers, and customers
Within each company, the supply chain includes allWithin each company, the supply chain includes allfunctions involved in fulfilling a customer requestfunctions involved in fulfilling a customer request
(product development, marketing, operations,(product development, marketing, operations,distribution, finance, customer service)distribution, finance, customer service)
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What is a Supply Chain?What is a Supply Chain?
Customer is an integral part of the supply chainCustomer is an integral part of the supply chain Includes movement of products from suppliers toIncludes movement of products from suppliers to
manufacturers to distributors, but also includesmanufacturers to distributors, but also includesmovement of information, funds, and products in bothmovement of information, funds, and products in bothdirectionsdirections
Probably more accurate to use the term “supplyProbably more accurate to use the term “supplynetwork” or “supply web”.network” or “supply web”.
Typical supply chain stages:Typical supply chain stages:
suppliers, manufacturers, distributors, retailers,suppliers, manufacturers, distributors, retailers,customerscustomers
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Supply chain for a manufacturingSupply chain for a manufacturing
organizationorganization
SupplieSupplier ar a
Supplier bSupplier b
Supplier cSupplier c
storagestorage mfgmfg storagestorageDistributor Distributor
RRetaileetailer r CustCust
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Supply Chain IllustrationSupply Chain Illustration
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SupplySupplyChainChain
for for
DenimDenimJeansJeans
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SupplySupplyChainChainfor for
DenimDenimJeansJeans(cont.)(cont.)
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Supply ChainSupply Chain
All facilities, functions, activities, All facilities, functions, activities,
associated with flow and transformationassociated with flow and transformationof goods and services from raw materialsof goods and services from raw materials
to customer, as well as the associatedto customer, as well as the associated
information flowsinformation flows
An integrated group of processes to An integrated group of processes to“source,” “make,” and “deliver” products“source,” “make,” and “deliver” products
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Supply Chain ManagementSupply Chain Management
SCM is a set of approaches utilized to efficiently integrateSCM is a set of approaches utilized to efficiently integrate
suppliers, manufacturers, warehouses and stores, so thatsuppliers, manufacturers, warehouses and stores, so that
merchandise is produced and distributed at the rightmerchandise is produced and distributed at the rightquantities, to the right locations, and at the right time, in order quantities, to the right locations, and at the right time, in order
to minimize system-wide costs while satisfying customer to minimize system-wide costs while satisfying customer
requirements.requirements.
(David Simchi – Levi)(David Simchi – Levi)
(SCM) is the management of a network of interconnected
businesses involved in the ultimate provision of product and
service packages required by end customers (Harland, 1996)
by Wikipedia
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The Objective of a Supply ChainThe Objective of a Supply Chain
Maximize overall value createdMaximize overall value created
((Supply chain value: difference between what the final product isSupply chain value: difference between what the final product is
worth to the customer and the effort the supply chain expends inworth to the customer and the effort the supply chain expends infilling the customer’s requestfilling the customer’s request))
To achieve maximum supply chain profitabilityTo achieve maximum supply chain profitability
((total profit to be shared across all supply chain stagestotal profit to be shared across all supply chain stages))
To reduce supply chain cost to the minimum possibleTo reduce supply chain cost to the minimum possiblelevel.level.
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The Objective of a Supply ChainThe Objective of a Supply Chain
Sources of supply chain revenue: the customerSources of supply chain revenue: the customer
Sources of supply chain cost: flows of information,Sources of supply chain cost: flows of information,
products, or funds between stages of the supply chainproducts, or funds between stages of the supply chain
Supply chain management is the management of flows between and among supply chain stages to maximize
tota l supply chain profitability
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Traditional View: Logistics inTraditional View: Logistics in
the Economy (1990, 1996)the Economy (1990, 1996)
Goods TransportationGoods Transportation $352, $455 Billion$352, $455 Billion
Inventory ExpenseInventory Expense $221, $311 Billion$221, $311 Billion Administrative ExpenseAdministrative Expense $27, $31 Billion$27, $31 Billion
Logistics Related ActivityLogistics Related Activity 11%, 10.5% of GNP11%, 10.5% of GNP
Source: Cass LogisticsSource: Cass Logistics
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Supply Chain Management:Supply Chain Management:
The True MagnitudeThe True Magnitude Compaq estimates it lost $.5 billion to $1 billionCompaq estimates it lost $.5 billion to $1 billion
in sales in 1995 because laptops were notin sales in 1995 because laptops were not
available when and where neededavailable when and where needed P&G estimates it saved retail customers $65P&G estimates it saved retail customers $65
million by collaboration resulting in a bettermillion by collaboration resulting in a better
match of supply and demandmatch of supply and demand
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The Importance of Supply Chain Mgmt.The Importance of Supply Chain Mgmt.
It integrates the logistic requirement of supply chainIt integrates the logistic requirement of supply chainstages.stages.
It reduces the supply chain cycle time, reduce inventory,It reduces the supply chain cycle time, reduce inventory,reduce cost and insure better deliveries.reduce cost and insure better deliveries.
A promising area for cost reduction.A promising area for cost reduction. It relates the process internal and external to theIt relates the process internal and external to the
organization effectively.organization effectively. It reduce the uncertainty and risk in supply chain.It reduce the uncertainty and risk in supply chain. Ensure right stuff to right place at right time.Ensure right stuff to right place at right time. Increase competitivenessIncrease competitiveness Minimize waste and maximize value.Minimize waste and maximize value.
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Decision Phases of a Supply ChainDecision Phases of a Supply Chain
Successful supply chain management requiresSuccessful supply chain management requires
many decision relating to flow of product,many decision relating to flow of product,
information and fund. These decision fall into threeinformation and fund. These decision fall into threecategories.categories.
Supply chain strategy or designSupply chain strategy or design
Supply chain planningSupply chain planning Supply chain operationSupply chain operation
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Supply Chain Strategy or DesignSupply Chain Strategy or Design
Decisions about how to structure the supply chain andDecisions about how to structure the supply chain andwhat processes each stage will performwhat processes each stage will perform
Strategic supply chain decisionsStrategic supply chain decisions Locations and capacities of facilitiesLocations and capacities of facilities Products to be made or stored at various locationsProducts to be made or stored at various locations Modes of transportationModes of transportation
Information systemsInformation systems Supply chain design decisions are long-term andSupply chain design decisions are long-term andexpensive – must take into account market uncertaintyexpensive – must take into account market uncertainty
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Supply Chain PlanningSupply Chain Planning
Time Frame considered is 3-6 months.Time Frame considered is 3-6 months.
Definition of a set of policies that govern short-termDefinition of a set of policies that govern short-term
operationsoperations Fixed by the supply configuration from previous phaseFixed by the supply configuration from previous phase
Starts with a forecast of demand in the coming yearStarts with a forecast of demand in the coming year
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Supply Chain PlanningSupply Chain Planning
Planning decisions:Planning decisions: Which markets will be supplied from which locationsWhich markets will be supplied from which locations Planned buildup of inventoriesPlanned buildup of inventories Subcontracting, backup locationsSubcontracting, backup locations Inventory policiesInventory policies
Timing and size of market promotionsTiming and size of market promotions
Must consider in planning decisions demandMust consider in planning decisions demanduncertainty, exchange rates, competition over the timeuncertainty, exchange rates, competition over the timehorizonhorizon
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Supply Chain OperationSupply Chain Operation
Time horizon is weekly or dailyTime horizon is weekly or daily Decisions regarding individual customer ordersDecisions regarding individual customer orders
Supply chain configuration is fixed and operatingSupply chain configuration is fixed and operatingpolicies are determinedpolicies are determined
Goal is to implement the operating policies asGoal is to implement the operating policies aseffectively as possibleeffectively as possible
Allocate orders to inventory or production, set orderAllocate orders to inventory or production, set orderdue dates, generate pick lists at a warehouse, allocatedue dates, generate pick lists at a warehouse, allocatean order to a particular shipment, set deliveryan order to a particular shipment, set deliveryschedules, place replenishment ordersschedules, place replenishment orders
Much less uncertainty (short time horizon)Much less uncertainty (short time horizon)
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Process View of a Supply ChainProcess View of a Supply Chain
Cycle view: processes in a supply chain are dividedCycle view: processes in a supply chain are dividedinto a series of cycles, each performed at theinto a series of cycles, each performed at the
interfaces between two successive supply chaininterfaces between two successive supply chainstagesstages
Push/pull view: processes in a supply chain are dividedPush/pull view: processes in a supply chain are dividedinto two categories depending on whether they areinto two categories depending on whether they are
executed in response to a customer order (pull) or inexecuted in response to a customer order (pull) or inanticipation of a customer order (push)anticipation of a customer order (push)
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Cycle View of Supply ChainsCycle View of Supply Chains
Customer Order CycleCustomer Order Cycle
Replenishment CycleReplenishment Cycle
Manufacturing CycleManufacturing Cycle
Procurement CycleProcurement Cycle
Customer Customer
Retailer Retailer
Distributor Distributor
Manufacturer Manufacturer
Supplier Supplier
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Cycle View of a Supply ChainCycle View of a Supply Chain
Each cycle occurs at the interface between twoEach cycle occurs at the interface between twosuccessive stagessuccessive stages
Customer order cycle (customer-retailer)Customer order cycle (customer-retailer) Replenishment cycle (retailer-distributor)Replenishment cycle (retailer-distributor)
Manufacturing cycle (distributor-manufacturer)Manufacturing cycle (distributor-manufacturer)
Procurement cycle (manufacturer-supplier)Procurement cycle (manufacturer-supplier)
Cycle view clearly defines processes involved and theCycle view clearly defines processes involved and theowners of each process. Specifies the roles andowners of each process. Specifies the roles andresponsibilities of each member and the desiredresponsibilities of each member and the desiredoutcome of each process.outcome of each process.
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Push/Pull View of SupplyPush/Pull View of Supply
ChainsChains
Copyright 2006 John Wiley & Sons, Inc.Copyright 2006 John Wiley & Sons, Inc. 10-10-2424
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Push/Pull View of Push/Pull View of
Supply Chain ProcessesSupply Chain Processes Supply chain processes fall into one of two categoriesSupply chain processes fall into one of two categories
depending on the timing of their execution relative todepending on the timing of their execution relative to
customer demandcustomer demand Pull: execution is initiated in response to a customerPull: execution is initiated in response to a customer
order (reactive)order (reactive)
Push: execution is initiated in anticipation of customerPush: execution is initiated in anticipation of customer
orders (speculative)orders (speculative)
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Supply Chain Macro Processes in aSupply Chain Macro Processes in a
FirmFirm Supply chain processes can be classified intoSupply chain processes can be classified into
Customer Relationship Management (CRM)Customer Relationship Management (CRM)
Internal Supply Chain Management (ISCM)Internal Supply Chain Management (ISCM) Supplier Relationship Management (SRM)Supplier Relationship Management (SRM)
Integration among the above three macro processes isIntegration among the above three macro processes iscritical for effective and successful supply chaincritical for effective and successful supply chain
managementmanagement
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Source: Adapted from Garrison Wieland for “Wal-Mart’s Supply
Chain,” Harvard Business Review 70(2; March–April 1992),
pp. 60–71.
Relationship between Facilities and Functionsalong the Wal-Mart Supply Chain
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Amazon.com
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Competitive and SupplyCompetitive and Supply
Chain StrategiesChain Strategies Competitive strategy: defines the set of customer needs a firmCompetitive strategy: defines the set of customer needs a firm
seeks to satisfy through its products and servicesseeks to satisfy through its products and services
Product development strategy: specifies the portfolio of newProduct development strategy: specifies the portfolio of new
products that the company will try to developproducts that the company will try to develop
Marketing and sales strategy: specifies how the market will beMarketing and sales strategy: specifies how the market will be
segmented and product positioned, priced, and promotedsegmented and product positioned, priced, and promoted
Supply chain strategy:Supply chain strategy:
determines the nature of material procurement, transportationdetermines the nature of material procurement, transportationof materials, manufacture of product or creation of service,of materials, manufacture of product or creation of service,
distribution of productdistribution of product Consistency and support between supply chain strategy,Consistency and support between supply chain strategy,
competitive strategy, and other functional strategies iscompetitive strategy, and other functional strategies is
importantimportant
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Achieving Strategic FitAchieving Strategic Fit
Strategic fit:Strategic fit:
Competitive and supply chain strategies have the sameCompetitive and supply chain strategies have the same
goalsgoals
A company may fail because of a lack of strategic fit or because A company may fail because of a lack of strategic fit or because
its processes and resources do not provide the capabilities toits processes and resources do not provide the capabilities to
execute the desired strategyexecute the desired strategy
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How is Strategic Fit Achieved?How is Strategic Fit Achieved?
Step 1: Understanding the customer and supply chainStep 1: Understanding the customer and supply chainuncertaintyuncertainty
Step 2: Understanding the supply chainStep 2: Understanding the supply chain Step 3: Achieving strategic fitStep 3: Achieving strategic fit
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Step 1: Understanding the Customer Step 1: Understanding the Customer
and Supply Chain Uncertaintyand Supply Chain Uncertainty
Identify the needs of the customer segment being servedIdentify the needs of the customer segment being served
Quantity of product needed in each lotQuantity of product needed in each lot
Response time customers will tolerateResponse time customers will tolerate Variety of products neededVariety of products needed
Service level requiredService level required
Price of the productPrice of the product
Desired rate of innovation in the productDesired rate of innovation in the product
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Achieving Strategic FitAchieving Strategic Fit
Understanding the CustomerUnderstanding the Customer Lot sizeLot size
Response timeResponse time Service levelService level Product varietyProduct variety PricePrice InnovationInnovation
Implied Implied
Demand Demand
Uncertainty Uncertainty
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Impact of Customer Needs on ImpliedImpact of Customer Needs on ImpliedDemand UncertaintyDemand Uncertainty
Customer Need Causes implied demand uncertaintyto increase because …
Range of quantity increases Wider range of quantity implies greater variance in demand
Lead time decreases Less time to react to orders
Variety of products required increases Demand per product becomes moredisaggregated
Number of channels increases Total customer demand is nowdisaggregated over more channels
Rate of innovation increases New products tend to have moreuncertain demand
Required service level increases Firm now has to handle unusual surges
in demand
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Levels of Implied DemandLevels of Implied Demand
UncertaintyUncertainty Predictable
supply and
demand
Salt at a
supermarket
A newcommunicatio
device
Highly uncertain
supply and deman
Figure 2.2: The Implied Uncertainty (Demand and Supply)
Predictable supply and uncertaindemand or uncertain supply and
predictable demand or somewhat
uncertain supply and demand
An existing
automobile
model
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Step 2: Understanding theStep 2: Understanding the
Supply ChainSupply Chain
How does the firm best meet demand?How does the firm best meet demand?
Supply chain responsiveness -- ability toSupply chain responsiveness -- ability to
respond to wide ranges of quantities demandedrespond to wide ranges of quantities demanded meet short lead timesmeet short lead times handle a large variety of productshandle a large variety of products build highly innovative productsbuild highly innovative products meet a very high service levelmeet a very high service level
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Step 2: Understanding theStep 2: Understanding the
Supply ChainSupply Chain There is a cost to achieving responsivenessThere is a cost to achieving responsiveness
Supply chain efficiency: cost of making and deliveringSupply chain efficiency: cost of making and delivering
the product to the customerthe product to the customer Increasing responsiveness results in higher costs thatIncreasing responsiveness results in higher costs that
lower efficiencylower efficiency
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Understanding the Supply Chain: Cost-Understanding the Supply Chain: Cost-Responsiveness Efficient Frontier Responsiveness Efficient Frontier
HighHigh Low Low
Low Low
HighHigh
ResponsivenessResponsiveness
CostCost
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Step 3: Achieving Strategic FitStep 3: Achieving Strategic Fit
Step is to ensure that what the supplyStep is to ensure that what the supplychain does well is consistent with targetchain does well is consistent with targetcustomer’s needscustomer’s needs
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Responsiveness SpectrumResponsiveness Spectrum
(Figure 2.4)(Figure 2.4)
Integrated Integrated
steel mill steel mill
Dell Dell
Highly Highly
efficient efficient
Highly Highly
responsiveresponsive
Somewhat Somewhat
efficient efficient
Somewhat Somewhat
responsiveresponsive
HanesHanes
apparel apparel
Most Most
automotiveautomotive
production production
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Obstacles to AchievingObstacles to Achieving
Strategic FitStrategic Fit Increasing variety of productsIncreasing variety of products
Decreasing product life cyclesDecreasing product life cycles
Increasingly demanding customersIncreasingly demanding customers Fragmentation of supply chain ownershipFragmentation of supply chain ownership
GlobalizationGlobalization
Difficulty executing new strategiesDifficulty executing new strategies
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Drivers of Supply Chain PerformanceDrivers of Supply Chain Performance FacilitiesFacilities
places where inventory is stored, assembled, or fabricatedplaces where inventory is stored, assembled, or fabricated production sites and storage sitesproduction sites and storage sites
InventoryInventory raw materials, WIP, finished goods within a supply chainraw materials, WIP, finished goods within a supply chain inventory policiesinventory policies
TransportationTransportation moving inventory from point to point in a supply chainmoving inventory from point to point in a supply chain combinations of transportation modes and routescombinations of transportation modes and routes
InformationInformation data and analysis regarding inventory, transportation, facilitiesdata and analysis regarding inventory, transportation, facilities
throughout the supply chainthroughout the supply chain potentially the biggest driver of supply chain performancepotentially the biggest driver of supply chain performance
SourcingSourcing functions a firm performs and functions that are outsourcedfunctions a firm performs and functions that are outsourced
PricingPricing Price associated with goods and services provided by a firm toPrice associated with goods and services provided by a firm to
the supply chainthe supply chain
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A Framework for Structuring DriversA Framework for Structuring Drivers
Competitive Strategy
Supply Chain
Strategy
Efficiency Responsiveness
Facilities Inventory Transportation
Information
Supply chain structure
Cross Functional Drivers
Sourcing Pricing
Logistical Drivers
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FacilitiesFacilities
Role in the supply chainRole in the supply chain the “where” of the supply chainthe “where” of the supply chain
manufacturing or storage (warehouses)manufacturing or storage (warehouses) Role in the competitive strategyRole in the competitive strategy
economies of scale (efficiency priority)economies of scale (efficiency priority) larger number of smaller facilities (responsivenesslarger number of smaller facilities (responsiveness
priority)priority)
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InventoryInventory
Role in the supply chainRole in the supply chain
Role in the competitive strategyRole in the competitive strategy Components of inventory decisionsComponents of inventory decisions
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Inventory: Role in the Supply ChainInventory: Role in the Supply Chain
Inventory exists because of a mismatch between supply andInventory exists because of a mismatch between supply and
demanddemand
Source of cost and influence on responsivenessSource of cost and influence on responsiveness
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Inventory: Role in CompetitiveInventory: Role in CompetitiveStrategyStrategy
If responsiveness is a strategic competitive priority, aIf responsiveness is a strategic competitive priority, afirm can locate larger amounts of inventory closer tofirm can locate larger amounts of inventory closer to
customerscustomers If cost is more important, inventory can be reduced toIf cost is more important, inventory can be reduced to
make the firm more efficientmake the firm more efficient
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TransportationTransportation
Role in the supply chainRole in the supply chain
Role in the competitive strategyRole in the competitive strategy Components of transportation decisionsComponents of transportation decisions
T t ti R l iT t ti R l i
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Transportation: Role inTransportation: Role inthe Supply Chainthe Supply Chain
Moves the product between stages in theMoves the product between stages in thesupply chainsupply chain
Impact on responsiveness and efficiencyImpact on responsiveness and efficiency
Faster transportation allows greaterFaster transportation allows greater
responsiveness but lower efficiencyresponsiveness but lower efficiency
Also affects inventory and facilitiesAlso affects inventory and facilities
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Transportation:Transportation:Role in the Competitive StrategyRole in the Competitive Strategy
If responsiveness is a strategic competitive priority,If responsiveness is a strategic competitive priority,then faster transportation modes can provide greaterthen faster transportation modes can provide greater
responsiveness to customers who are willing to pay forresponsiveness to customers who are willing to pay foritit
Can also use slower transportation modes forCan also use slower transportation modes forcustomers whose priority is price (cost)customers whose priority is price (cost)
Can also consider both inventory and transportation toCan also consider both inventory and transportation tofind the right balancefind the right balance
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Components of Components of
Transportation DecisionsTransportation Decisions Mode of transportation:Mode of transportation:
air, truck, rail, ship, pipeline, electronicair, truck, rail, ship, pipeline, electronic
transportationtransportation vary in cost, speed, size of shipment, flexibilityvary in cost, speed, size of shipment, flexibility
Route and network selectionRoute and network selection route: path along which a product is shippedroute: path along which a product is shipped network: collection of locations and routesnetwork: collection of locations and routes
In-house or outsourceIn-house or outsource
Overall trade-off: Responsiveness versus efficiencyOverall trade-off: Responsiveness versus efficiency
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InformationInformation
Role in the supply chainRole in the supply chain
Role in the competitive strategyRole in the competitive strategy Components of information decisionsComponents of information decisions
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Information:Information:Role in the Competitive StrategyRole in the Competitive Strategy
Allows supply chain to become more efficient andAllows supply chain to become more efficient andmore responsivemore responsive at the same timeat the same time (reduces the need(reduces the need
for a trade-off)for a trade-off) Information technologyInformation technology
What information is most valuable?What information is most valuable?
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SourcingSourcing
Role in the supply chainRole in the supply chain
Role in the competitive strategyRole in the competitive strategy Components of sourcing decisionsComponents of sourcing decisions
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Sourcing: Role inSourcing: Role in
the Supply Chainthe Supply Chain Set of business processes required toSet of business processes required to
purchase goods and services in a supplypurchase goods and services in a supplychainchain
Supplier selection, single vs. multipleSupplier selection, single vs. multiplesuppliers, contract negotiationsuppliers, contract negotiation
S iS i
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Sourcing:Sourcing:Role in the CompetitiveRole in the Competitive
StrategyStrategy Sourcing decisions are crucial becauseSourcing decisions are crucial because
they affect the level of efficiency andthey affect the level of efficiency andresponsiveness in a supply chainresponsiveness in a supply chain
In-house vs. outsource decisions-In-house vs. outsource decisions-improving efficiency and responsivenessimproving efficiency and responsiveness
Example 3.6: CiscoExample 3.6: Cisco
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Components of SourcingComponents of Sourcing
DecisionsDecisions In-house versus outsource decisionsIn-house versus outsource decisions
Supplier evaluation and selectionSupplier evaluation and selection Procurement processProcurement process
Overall trade-off: Increase the supplyOverall trade-off: Increase the supply
chain profitschain profits
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PricingPricing
Role in the supply chainRole in the supply chain
Role in the competitive strategyRole in the competitive strategy Components of pricing decisionsComponents of pricing decisions
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Pricing: Role inPricing: Role in
the Supply Chainthe Supply Chain Pricing determines the amount to chargePricing determines the amount to charge
customers in a supply chaincustomers in a supply chain
Pricing strategies can be used to matchPricing strategies can be used to matchdemand and supplydemand and supply
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Sourcing:Sourcing:Role in the CompetitiveRole in the Competitive
StrategyStrategy Firms can utilize optimal pricingFirms can utilize optimal pricing
strategies to improve efficiency andstrategies to improve efficiency andresponsivenessresponsiveness
Low price and low product availability;Low price and low product availability;vary prices by response timesvary prices by response times
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Components of PricingComponents of Pricing
DecisionsDecisions Pricing and economies of scalePricing and economies of scale
Everyday low pricing versus high-lowEveryday low pricing versus high-lowpricingpricing
Fixed price versus menu pricingFixed price versus menu pricing
Overall trade-off: Increase the firm profitsOverall trade-off: Increase the firm profits