What a supply chain strategy paper is about
A supply chain strategy paper judges whether a firm's sourcing, production, inventory and distribution choices fit its competitive strategy. A business competing on low price needs a lean, efficient chain; one competing on novelty or speed needs a chain that can respond quickly, even at higher cost.
Most MBA prompts ask you to diagnose the current chain, compare alternatives such as offshoring and nearshoring, and recommend a direction with numbers to support it. Operations detail matters only where it changes a strategic decision.
| Common prompt | What to deliver |
|---|---|
| Evaluate the supply chain of Company X | Fit between chain design and strategy, with cost, service and risk evidence |
| Should the firm move production closer to its market? | A landed cost comparison plus responsiveness and risk arguments |
| Recommend how to build resilience | Specific actions on suppliers, inventory and visibility, with their costs |
| Assess the impact of a disruption | Where the chain broke, why, and what the firm should change |
Matching the chain to the product
Marshall Fisher's framework is a reliable starting point. He separates functional products, which have stable, predictable demand and thin margins, from innovative products, which have uncertain demand, short life cycles and higher margins.
| Efficient chain | Responsive chain | |
|---|---|---|
| Main goal | Lowest cost for predictable demand | Speed and flexibility for uncertain demand |
| Inventory | Kept low; high turns | Buffer stock of parts or capacity |
| Suppliers chosen for | Cost and quality | Speed, flexibility and quality |
| Typical product | Staple groceries, basic apparel, commodity parts | Fashion, consumer electronics, new launches |
The insight to use in your paper is the mismatch. A firm selling innovative products through an efficient, cost-focused chain will suffer stockouts of hits and markdowns on flops. Show which quadrant your company sits in, then whether its chain matches.
Comparing sourcing options on landed cost
Comparing suppliers on unit price alone is the most common error in these papers. Landed cost adds freight, duties and the cost of holding goods in transit, which grows with longer lead times.
Offshore versus nearshore supplier (hypothetical)
Annual volume 200,000 units. The company's annual inventory carrying rate is 20 percent of unit value.
| Cost per unit | Offshore | Nearshore |
|---|---|---|
| Purchase price | $8.00 | $8.90 |
| Freight and duty | $1.40 | $0.45 |
| Value in transit | $9.40 | $9.35 |
| Weeks in transit | 10 | 2 |
| Pipeline carrying cost | 9.40 x 0.20 x 10/52 = $0.36 | 9.35 x 0.20 x 2/52 = $0.07 |
| Landed cost | $9.76 | $9.42 |
Saving per unit with the nearshore supplier = 9.76 - 9.42 = $0.34. Annual saving = 0.34 x 200,000 = $68,000, even though the nearshore price is $0.90 higher.
The shorter lead time has further benefits the table leaves out: less safety stock, faster reaction to demand changes and fewer markdowns. Mention these and, where you can, estimate them. Also note the risks on the other side, such as smaller supplier scale or currency exposure.
Inventory decisions with worked figures
Inventory is where strategy meets the balance sheet. Two calculations come up often: the economic order quantity, which balances ordering and holding costs, and safety stock, which protects service levels against uncertain demand.
Order quantity and safety stock (hypothetical)
The firm uses 36,000 units a year, each purchase order costs $90 to place and receive, and keeping one unit in stock for a year costs $2.50.
The economic order quantity is the square root of two times annual usage times the cost per order, divided by the yearly holding cost per unit: 2 x 36,000 x 90 = 6,480,000; 6,480,000 / 2.50 = 2,592,000; the square root is about 1,610 units.
Check: 36,000 / 1,610 = 22.36 orders a year, costing 22.36 x 90 = $2,012 to place. Average stock is 1,610 / 2 = 805 units, costing 805 x 2.50 = $2,013 to hold. At the optimum the two costs match, give or take rounding.
Buffer stock: day-to-day demand varies with a standard deviation of 25 units, and replenishment takes 9 days. Variation across the replenishment period = 25 x 3 (the square root of 9) = 75 units. Management wants to avoid running out in 98 percent of cycles, which corresponds to a z-value of about 2.05, so the buffer = 2.05 x 75 = about 154 units.
Now link the numbers back to strategy. If nearshoring cut replenishment from 9 days to 4, variation over the period would fall to 25 x 2 = 50 units and the buffer to 2.05 x 50 = about 103 units, a third less stock to finance. Faster supply shrinks the buffer.
Working capital and the cash-to-cash cycle
Supply chain choices tie up cash. The cash-to-cash cycle measures how many days pass between paying suppliers and collecting from customers, and it lets you connect operations to finance in a single figure.
Cash-to-cash cycle (hypothetical)
Days inventory outstanding 55, days sales outstanding 40, days payables outstanding 35.
Cash-to-cash cycle = 55 + 40 - 35 = 60 days.
If annual cost of goods sold is $73 million, one day of inventory is 73,000,000 / 365 = $200,000. Cutting inventory by 10 days releases about $2 million of cash.
Be careful with the payables lever. Stretching supplier terms improves the cycle but can push weaker suppliers into trouble, which raises risk elsewhere in the chain. A balanced paper notes that trade-off.
Need the landed cost or inventory section worked out properly?
Order your supply chain strategy paperRisk and resilience
Recent disruptions have made resilience a standard part of these papers. Show that you understand resilience costs money and must be targeted where the risk is greatest.
| Risk | Example | Possible response | Cost of the response |
|---|---|---|---|
| Single-source supplier | One plant makes a critical part | Qualify a second source | Higher unit cost; qualification time |
| Long lead times | Ocean freight from one region | Nearshore part of the volume | Higher purchase price |
| Demand swings amplified upstream | The bullwhip effect from batch ordering | Share point-of-sale data with suppliers | Systems and trust building |
| Low visibility | No view of tier-2 suppliers | Map the supply base for critical items | Analyst time; supplier cooperation |
| Logistics bottleneck | One port or carrier | Alternative routes agreed in advance | Contract premiums |
Give each risk a probability rating and a severity rating, and fund responses to the highest combined scores first. Process detail such as bottlenecks and capacity is covered in our guide to operations and process analysis.
Measuring supply chain performance
Recommendations need measures. The SCOR model, maintained by ASCM, groups supply chain metrics into attributes such as reliability, responsiveness, agility, cost and asset management. You do not need the full model, but borrowing its structure keeps your scorecard balanced.
| Attribute | Example metric | What it tells the reader |
|---|---|---|
| Reliability | Perfect order rate | Share of orders delivered complete, on time and undamaged |
| Responsiveness | Order fulfillment cycle time | How long a customer waits |
| Agility | Time to scale output up by a set percentage | How quickly the chain adapts |
| Cost | Total supply chain cost as a share of revenue | Efficiency |
| Asset management | Cash-to-cash cycle; inventory turns | How much capital the chain consumes |
Environmental measures are increasingly expected too, since most of a manufacturer's emissions often sit with suppliers (Scope 3). If your course covers this, our sustainability and ESG strategy guide explains how to frame those targets.
Make or buy: deciding what to keep in-house
Many supply chain prompts include an outsourcing decision. The key is to compare only the costs that actually change with the decision. Fixed costs that stay whatever you choose should be left out.
Making a component or buying it (hypothetical)
The firm needs 120,000 units a year. Making them in-house costs $6.50 per unit in materials and labor plus $300,000 a year of fixed cost for the production cell. A supplier quotes $8.20 per unit.
Full in-house cost = 300,000 + (6.50 x 120,000) = 300,000 + 780,000 = $1,080,000, or $9.00 per unit. Buying costs 8.20 x 120,000 = $984,000, which looks $96,000 cheaper.
But $200,000 of the fixed cost is a share of the building and supervisors that stays if production stops. The avoidable in-house cost is 100,000 + 780,000 = $880,000, so making the part is $104,000 cheaper than buying it.
Then weigh what the numbers miss: whether the part is strategically important, whether the supplier could become a competitor, how much capacity the plant could free for more valuable work and how reliable the supplier has been. A part that embodies the firm's know-how is rarely a good candidate for outsourcing, even at a lower price.
Structuring the paper
| Section | Share of words | Content |
|---|---|---|
| Introduction | 10 percent | Company, strategic position and the question |
| Current chain diagnosis | 25 percent | Product type, chain design, fit or mismatch, key metrics |
| Options analysis | 30 percent | Two or three alternatives with landed cost, service and risk |
| Recommendation and roadmap | 25 percent | Choice, phasing, costs, measures |
| Conclusion and limits | 10 percent | Main argument restated; assumptions that could change it |
Put calculations in the body when they drive the decision and in an appendix when they only support it. State every assumption, such as the carrying rate or service level, so a reader can test your conclusion.
How we help with supply chain papers
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