Designing a Supply Chain for Demand and Supply Side Uncertainty

Supply chain management is a powerful managementpractice will through some light into non value adding
tool to win over competition. Well designed supplylogistic tasks. Redesign of end to end supply chain
chain for different products will look different. Supplycan improve logistic efficiency. WalMart, a pioneer in
chain for supplying pasta will be different from supplyretail supply chain, ships stable demand products
chain for selling fashion jewelry or rushing airline sparedirectly to the store from its supplier thereby
parts. Supply chain for producing and delivering pastaeliminating expenses due to intermediate handling,
will be designed for productivity and efficiency. Supplyinventory management and transportation.
chain for airline spare parts or offshore drillingWhen the supply side uncertainty is high, risk pooling
equipment will give utmost importance to timelyinput materials can help Inventory can be piled up for
delivery and availability at any cost. Nature of thelow value input materials. Usually there is a risk
product, customer expectation, production methodassociated with creative or high-value parts.
and parts used are some of the factors to beInventory can be pooled, shared and managed along
considered when designing a fitting supply chain.with other users if the inputs items are scarce high
Demand and supply side uncertainty are the keyvalue items which are difficult to obtain in bulk.
determining factor when designing a supply chain forMaintaining substitute materials and alternative
a product. Well designed supply chain that suits asuppliers is a time tested tactic used to manage
product or category is a competitive advantage.supply side risk. Practise of allowing substitute parts
Product nature can be broadly classified as eitheror materials earlier during the design time is also a
functional or aesthetic. Functional products like pastasupply side risk management strategy famously called
have stable demand whereas demand for aestheticas "Design for Supply Chain". Firms in the down
products like fashion goods is erratic. Innovativestream of supply chain use more custom parts to
aesthetic products enjoy high profit margins but atdifferentiate their products from their competitors.
the same time have seasonal demand and shortSpecial attention is required to maintain uninterrupted
product life cycle. It is difficult to stock enough ofsupply of such custom made parts critical to product
each items from broader product portfolio but adifferentiation. Various supplier relationship strategies
stock out of a popular item can tarnish brandsuch as controlling stake, partnership, future
reputation. On the other hand functional products likecontracts and other supply hedges to secure steady
pasta or bread have predictable demand. Productsupply of critical parts.
nature determines demand uncertainty which in turnDemand is unpredictable for items like fashion apparel
determines the nature of the supply chain. Whileand hi-tech gadgets. These products rarely face any
product nature lends demand uncertainty, supply sidesupply side uncertainty. Demand for items such as
uncertainty can emanate from multiple factors.fashion apparel, movie and books are known only
Uncertainty at the production stage can originatewhen the product reaches the store shelf. If the
form unpredictable yield or change in productionmarket reception for new items is not good, excess
technology or change in process. Uncertain lead time,inventory is sold at a discount. Strategies such as
small supply base and weather are also some of thepostponement, store level configuration, parallel
non-production factors that contribute to supply sidefeatures and Internet orders can help tackle excess
uncertainty.stock due to unpredictable demand. HP, a leading
When the supply side and demand side variations areconsumer electronics manufacturer, tackled the
low, operational efficiency is the key to successfulproblem of uncertain demand for its high end printers
supply chain. Production intensive industries canby postponing the minor but important assembly
improve operational efficiency by optimizing thetasks to regional distribution centers. Generic products
production process and eliminating non value addingare customized just before delivery time to meet
activities. An important issue to keep in mind duringdemand for different types of same product. Reseller
supply chain design is visibility to actual demand fromor dealer level configuration can be used to
end customer. Stable demand from end consumerscustomize products which are easy to configure.
may become lumpy and unpredictable to second andFor low value items like self service manuals and
third level suppliers due to bulk ordering practice ofwarranty cards, printing and packaging in multiple
distributor and retailer. Supply chain planning becomeslanguages is an effective strategy for multi national
difficult when the demand is unpredictable. Trustand multi cultural supply chains. Opening online
based collaboration between the supplier and buyerchannels may work well for items like music, video
for sharing real demand information is the solution forgames etc. Apple iTunes site for iPod is a notable
avoiding demand lumping in the supply chain. Stableexample. Dell's popular assemble to order process for
and even demand facilitates better demand forecast,PC manufacturing is a revolutionary example of
effective planning, optimum levels of safety stock,supply chain design for demand volatility. Products
better customer service levels, less waste andwith variable demand and supply can use a
improved profit margins. Logistics is core to operationcombination of above techniques. Collaborative
of distribution intensive firms. Firms in distributiondemand forecasting with buyers and collaborative
intensive industries like retail and 3PL must focus onplanning with suppliers can maximize the value of
improving logistic efficiency. Careful review ofoverall supply chain.
transportation, storage and distribution network and