Strategic Sourcing and Supplier Management

Introduction

Materials management has traditionally focused on purchasing the right material at the right price and at the right time. Modern organisations require a broader approach. Materials may represent a substantial share of total operating expenditure, and supplier decisions can affect product quality, production continuity, innovation, sustainability, customer satisfaction and organisational reputation. Strategic sourcing therefore treats procurement as a managed business process rather than as a series of individual buying transactions.

Strategic sourcing is the systematic analysis of organisational expenditure, supply markets, internal capabilities and supplier performance in order to develop a supply strategy that provides the best total value and acceptable risk. Supplier management is the continuing process of selecting, developing, evaluating and collaborating with suppliers so that they support organisational objectives.

The emphasis is not simply on obtaining the lowest quoted price. A low-price supplier may create higher transport costs, poor quality, excessive lead times, disruption or compliance exposure. Conversely, a supplier with a higher unit price may provide better reliability, technical support, innovation and total cost performance.

Learning Objectives

After studying this chapter, the learner should be able to:

1. Explain the purpose and stages of strategic sourcing.
2. Perform basic spend analysis and interpret its results.
3. Research supplier markets and assess supply risks.
4. Apply make-or-buy logic using relevant costs and qualitative factors.
5. Develop supplier-selection criteria and use weighted evaluation methods.
6. Manage supplier relationships, development programmes and performance reviews.
7. Construct a sourcing portfolio using supply risk and business impact.
8. Recognise ethical, technological, sustainability and governance requirements in supplier management.

1. Strategic Sourcing as a Business Process

Operational purchasing normally responds to an identified requirement: a requisition is received, a supplier is contacted, an order is issued and delivery is followed up. Strategic sourcing begins earlier. It asks whether demand is necessary, how the requirement should be specified, what supply markets exist, whether the organisation should produce the item internally, and what type of supplier relationship is appropriate.

A typical sourcing cycle contains the following linked stages:

1. Analyse expenditure and demand. Identify what is being purchased, from whom, at what price and under what conditions.
2. Define the requirement. Confirm functional, technical, quality, service, legal and sustainability requirements.
3. Study the supply market. Assess suppliers, market structure, capacity, technology, cost drivers and risks.
4. Develop the sourcing strategy. Decide on competition, negotiation, contracting, supplier numbers, inventory protection and relationship type.
5. Select suppliers. Evaluate capable suppliers against transparent criteria.
6. Negotiate and contract. Agree price, payment, delivery, quality, liability, confidentiality, improvement and termination provisions.
7. Implement and transition. Transfer specifications, forecasts, schedules, systems and responsibilities.
8. Manage and improve performance. Monitor results, resolve problems, develop suppliers and periodically reassess the strategy.

Strategic sourcing is cross-functional. Procurement should work with operations, engineering, quality, finance, logistics, information technology, legal services and sustainability specialists. A purchasing decision made without technical or operational input may produce an apparently attractive contract that cannot be implemented successfully.

2. Spend Analysis

Meaning and Purpose

Spend analysis is the structured examination of purchasing expenditure. It converts dispersed transaction records into information that supports decisions. The analysis may reveal duplicate suppliers, uncontrolled buying, inconsistent specifications, missed volume leverage, excessive freight costs, maverick spending and opportunities for standardisation.

A useful spend database normally includes:

• supplier name and supplier group;
• item or service description;
• category and subcategory;
• quantity and unit of measure;
• unit price and total value;
• purchase order and invoice information;
• business unit and location;
• currency, tax and freight treatment;
• contract status;
• delivery, quality and payment information.

Data must first be cleansed. The same supplier may appear under different names, descriptions may be inconsistent, and units or currencies may not be comparable. Classification should be based on a clear taxonomy, such as raw materials, packaging, maintenance supplies, transport, utilities and professional services.

Core Calculations

The total spend for a category can be expressed as:

where S is total spend, pᵢ is the unit price of transaction or item i, and qᵢ is the corresponding quantity. The equation assumes that all transactions are expressed in a common currency and comparable time period.

Supplier concentration can be assessed using the supplier share:

A category with one supplier providing 90% of expenditure may offer strong volume leverage but also creates dependency. A category with many suppliers may offer resilience but incur higher administration and lower negotiated leverage.

The supplier Herfindahl–Hirschman Index (HHI) is one possible concentration indicator:

where sᵢ is supplier i’s market or spend share expressed as a decimal. If shares are expressed as percentages, the index is reported on a 0–10,000 scale rather than a 0–1 scale. HHI describes concentration, not whether concentration is good or bad. Interpretation depends on switching costs, supply risk, capacity and the availability of alternatives.

Example: Spend Analysis

A company spends $600,000 on a packaging category: Supplier A receives $300,000, Supplier B $180,000 and Supplier C $120,000. The supplier shares are 50%, 30% and 20%. Using decimal shares:

HHI = 0.50² + 0.30² + 0.20² = 0.25 + 0.09 + 0.04 = 0.38

The result indicates a moderately concentrated supplier base. Further investigation is needed. If packaging is standardised and alternative suppliers are readily available, the organisation might consolidate volume to negotiate better terms. If the material is safety-critical and qualified alternatives are scarce, the same concentration may require dual sourcing or supplier-development action.

Pareto Analysis

Pareto analysis ranks categories or suppliers by expenditure and calculates cumulative spend. In many organisations, a relatively small number of categories account for a large proportion of total expenditure. These categories deserve strategic attention, although low-value items can still be important if they create operational or safety risks.

Spend analysis should therefore consider both value and criticality. A low-cost bearing that stops a production line may be more strategically important than a high-value office supply that can be purchased from several sources.

3. Supplier-Market Research

Supplier-market research provides external knowledge for sourcing decisions. It should examine both the supplier and the market in which the supplier operates.

Main Areas of Investigation

Market structure: Determine whether the market is competitive, oligopolistic, monopolistic or fragmented. A market with few qualified suppliers may require long-term capacity planning.

Cost drivers: Investigate raw materials, labour, energy, tooling, transport, exchange rates, regulation and capacity utilisation. Understanding cost drivers improves negotiation quality and helps distinguish legitimate price changes from unsupported increases.

Supplier capability: Assess technology, engineering competence, capacity, quality systems, financial health, workforce skills, information systems and geographic coverage.

Market dynamics: Consider demand growth, shortages, new entrants, substitute materials, technological change, mergers, geopolitical conditions and environmental regulation.

Supply risk: Evaluate disruption probability and the consequences of disruption. Risks may arise from natural disasters, cyberattacks, political instability, labour disputes, financial failure, single-site dependence, weak controls or excessive dependence on a sub-tier supplier.

Research Sources and Methods

Sources include supplier websites and reports, industry associations, trade publications, government statistics, customs data, credit reports, patent databases, site visits, technical conferences, supplier questionnaires and interviews with internal experts. No single source is sufficient. Supplier-provided information should be corroborated where decisions are financially or operationally significant.

A market map can classify suppliers by capability, location, capacity, technology and relationship status. A risk register can record the risk, cause, likelihood, impact, owner, preventive control and contingency response.

4. Make-or-Buy Analysis

Make-or-buy analysis determines whether a good or service should be produced internally or obtained from an external supplier. The decision must compare relevant future costs and strategic consequences, not simply historical accounting costs.

Relevant Cost Logic

A cost is relevant if it is future-oriented, differs between alternatives and is cash-related or otherwise decision-relevant. Avoidable fixed costs, variable production costs, supplier prices, transport, inspection, inventory and switching costs may be relevant. Allocated overhead that will continue regardless of the decision is generally not relevant.

For a simple decision, the incremental cost of making internally may be written as:

where Cₘ is the relevant cost of making, Vₘ is variable internal cost per unit, Q is required quantity, Fₐ is avoidable fixed cost, and Cₒ represents other relevant internal costs such as additional quality or logistics costs.

The relevant cost of buying may be written as:

where Cᵦ is the relevant cost of buying, Pᵦ is supplier price per unit, Cₜ is inbound transport and related cost, Cᵢ is incremental inspection or inventory cost, and Cₛ is other relevant supplier-management or switching cost.

These equations are decision models, not universal accounting identities. They assume that quantities, quality requirements and time periods are comparable and that capacity opportunity costs have been considered.

Worked Example

An organisation needs 10,000 units. Internal variable cost is $8 per unit and avoidable fixed cost is $20,000. An external supplier offers a price of $9.50 per unit, including delivery. Buying would require $5,000 of additional inspection cost.

Make:

Cₘ = (8 × 10,000) + 20,000 = 100,000

Buy:

Cᵦ = (9.50 × 10,000) + 5,000 = 100,000

On the quantified costs alone, the alternatives are equal. The decision must therefore consider capacity availability, quality, intellectual property, supplier reliability, flexibility, employment, strategic technology and the opportunity cost of internal capacity. If internal capacity could produce another item with a contribution of $30,000, buying may be preferable because the internal opportunity cost changes the comparison.

Qualitative Factors

Important non-financial questions include:

• Is the item strategically important or a source of competitive advantage?
• Does internal production protect confidential technology?
• Can the supplier maintain quality and capacity over the contract period?
• Is there a risk of supplier dependency or opportunistic behaviour?
• Can the organisation reverse the decision if the market changes?
• What are the employment, environmental and social consequences?

A make-or-buy decision should be documented, approved at the appropriate authority level and reviewed when volumes, capacity or market conditions change.

5. Supplier Selection and Evaluation

Specification and Evaluation Design

Supplier selection begins with a clear requirement. Specifications may be performance-based, describing the required outcome, or conformance-based, defining the exact material, process or design. Performance specifications may encourage innovation, while conformance specifications may be necessary for safety, interchangeability or regulatory compliance.

Evaluation criteria should be published before bids are assessed. Typical criteria include:

Weighted-Score Method

A weighted scoring model makes trade-offs explicit. The overall score is:

where T is the total supplier score, wᵢ is the weight assigned to criterion i, and rᵢ is the supplier’s rating for that criterion. Weights should sum to 1, or to 100% if percentages are used. Ratings must use a defined scale, such as 1 to 5, and assessors should record evidence.

Worked Supplier Evaluation

Suppose the criteria and weights are quality 0.35, delivery 0.25, cost 0.25 and sustainability 0.15. Supplier X receives ratings of 4, 5, 3 and 4 on a five-point scale. Its score is:

T_X = (0.35 × 4) + (0.25 × 5) + (0.25 × 3) + (0.15 × 4) = 1.40 + 1.25 + 0.75 + 0.60 = 4.00

The score is 4.00 out of 5. A weighted score does not replace judgement. A supplier failing a mandatory safety or legal requirement should be rejected regardless of its total score. Sensitivity analysis should also be performed: if changing the weights produces a different winner, decision-makers should examine why.

Total Cost of Ownership

Supplier selection should use total cost rather than unit price alone. Total cost may include purchase price, freight, duties, tooling, quality failures, inspection, inventory carrying, administration, downtime, disposal and end-of-life obligations. The relevant cost horizon and assumptions must be stated. Cost estimates should not create false precision; uncertain costs should be expressed as ranges or scenarios where appropriate.

6. Sourcing Strategies and the Portfolio Perspective

Not every category should be sourced in the same way. A portfolio approach matches sourcing effort and relationship design to business impact and supply risk.

The Kraljic-style portfolio commonly uses two dimensions:

• Business impact: financial value, effect on quality, production, customer service or strategic capability.
• Supply risk: scarcity, market complexity, switching difficulty, technological dependence and disruption exposure.

The portfolio is a decision aid, not a rigid classification. A component may move from leverage to strategic if a new technology makes it critical. Portfolio reviews should therefore occur periodically.

For routine items, electronic catalogues, framework agreements and purchase cards may reduce administrative effort. Leverage items may benefit from competitive bidding, demand consolidation and supplier competition. Bottleneck items require contingency plans, approved substitutes, safety stock or supplier development. Strategic items require senior-level relationships, joint forecasts, collaborative improvement, mutual investment and carefully designed contracts.

7. Supplier Relationship Management

Supplier relationship management (SRM) is the planned governance of interactions with important suppliers. It includes communication, performance review, issue resolution, improvement and strategic collaboration.

Relationship Types

A transactional relationship is appropriate when the item is standard, low-risk and readily available. An arm’s-length competitive approach may be suitable for leverage categories. Collaborative relationships are more appropriate when both parties depend on technical knowledge, investment or joint innovation.

Collaboration does not mean abandoning commercial discipline. It requires clear objectives, confidentiality rules, decision rights, benefit-sharing arrangements and mechanisms for resolving disagreement. Excessive closeness can create conflicts of interest, reduced competition or dependency.

Governance Structure

A practical governance structure may include:

• operational contacts for orders and delivery;
• monthly performance meetings for quality, service and corrective actions;
• quarterly business reviews for trends, risks and improvement projects;
• annual executive reviews for strategy, capacity, investment and relationship health.

Meeting agendas should use verified data and produce named actions, deadlines and escalation rules. Supplier performance information should be shared fairly and allow the supplier to explain causes and propose corrective action.

8. Supplier Performance Measurement and Development

Performance measurement converts expectations into observable results. Measures should be limited to those that support decisions and behaviour.

Common indicators include:

On-time delivery (OTD):

The organisation must define whether early deliveries, partial deliveries and tolerance windows count as compliant.

Defect rate:

The unit of analysis must be stated. Defects per million opportunities may be more appropriate where the number of opportunities per unit varies.

Supplier lead-time adherence, response time, corrective-action closure, invoice accuracy, cost reduction and emissions may also be measured. A metric without a definition, data owner and review frequency is not a reliable control.

Supplier development is a structured effort to improve supplier capability. Activities may include process training, joint root-cause analysis, quality-system development, capacity planning, lean improvement, technology transfer and shared forecasting. Development should begin with diagnosis. The buyer should distinguish supplier unwillingness from lack of capability, unclear requirements, poor buyer scheduling or unrealistic specifications.

A corrective-action process commonly follows these steps:

1. describe the problem using evidence;
2. contain the immediate risk;
3. identify root causes rather than symptoms;
4. agree corrective and preventive actions;
5. assign owners and due dates;
6. verify effectiveness;
7. update procedures and lessons learned.

9. Contracting, Risk and Business Continuity

A sourcing strategy becomes operational through a contract or other enforceable agreement. Important provisions may cover scope, specifications, price and adjustment mechanisms, delivery, acceptance, warranty, intellectual property, confidentiality, audit rights, insurance, liability, data protection, modern slavery and environmental obligations, termination, dispute resolution and business continuity.

Risk allocation should be deliberate. Transferring every risk to a supplier may increase price or encourage defensive behaviour. Retaining every risk may expose the buyer unnecessarily. Contracts should define which party can control each risk and how costs or consequences will be managed.

Business continuity planning should address:

• alternative production sites and suppliers;
• minimum reserve capacity;
• emergency communication procedures;
• inventory and safety-stock policy;
• substitute materials and qualification requirements;
• cyber and information-security controls;
• financial-failure and insolvency warning signs;
• recovery priorities and testing.

Dual sourcing can reduce dependency but may increase qualification, tooling and coordination costs. Holding more inventory can protect against disruption but increases working capital and obsolescence. These are trade-offs rather than universally correct solutions.

10. Ethics, Sustainability and Governance

Procurement staff often control significant organisational expenditure and therefore require high ethical standards. Conflicts of interest, gifts, undisclosed relationships, bid manipulation, collusion, bribery and misuse of confidential information undermine both fairness and value.

Good governance includes segregation of duties, approval limits, competitive-process rules, documented evaluation, supplier due diligence, audit trails, whistle-blowing channels and monitoring of exceptions. Supplier selection should be based on relevant evidence rather than personal preference.

Sustainability extends beyond purchasing recycled products. It includes carbon emissions, energy and water use, waste, biodiversity, labour rights, health and safety, modern slavery, community effects and responsible sourcing of minerals. Requirements should be measurable and proportionate. Organisations should avoid unsupported claims and should verify high-risk assertions through audits, certifications, traceability records or independent evidence.

Life-cycle thinking evaluates impacts from raw-material extraction through manufacture, transport, use and disposal. A higher purchase price may be justified if a product reduces energy, maintenance or disposal cost over its useful life. However, life-cycle claims should state the boundary, time period and assumptions.

11. Technology and Artificial Intelligence in Sourcing

Digital procurement systems can integrate purchase orders, invoices, contracts, supplier records and performance data. Spend analytics tools can classify transactions, identify unusual prices and detect off-contract expenditure. Supplier portals improve communication, document exchange and self-service updates.

Artificial intelligence can assist with document extraction, spend classification, demand forecasting, risk monitoring and identification of unusual transactions. Its use requires controls. Data may be incomplete or biased; automated classifications can be wrong; confidential supplier information may be exposed; and an algorithm may reproduce historical purchasing discrimination. Human review remains necessary for supplier qualification, ethical judgements, high-value awards and adverse decisions.

Useful controls include data-quality testing, access restrictions, audit logs, model validation, explainable criteria, version control and a clear decision owner. AI should support professional judgement, not eliminate accountability.

12. Illustrative Case: Sourcing a Critical Pump Assembly

Background

A food-processing company purchases stainless-steel pump assemblies from one supplier. Annual spend is $1.2 million. The pump is important because a failure stops a production line, and the existing supplier has experienced rising lead times and two significant quality incidents.

Problem

The organisation has historically selected the supplier mainly on unit price. It has no approved alternative, limited visibility of the supplier’s sub-tier casting source and incomplete delivery-performance data. Production managers request a second source, while finance is concerned that qualification will increase cost.

Analysis

Spend analysis confirms that the category is high value relative to maintenance purchases. Market research identifies three technically capable suppliers, but only two have food-contact certification and sufficient capacity. The portfolio assessment classifies the pump as strategic: both business impact and supply risk are high.

A cross-functional team defines mandatory requirements: material traceability, food-contact compliance, pressure performance, maximum lead time, documented testing and emergency support. Supplier evaluation weights quality and technical capability more heavily than unit price. The team also calculates total cost, including testing, spare-parts availability, freight, downtime exposure and qualification.

Approach and Solution

The company retains the incumbent supplier but negotiates a performance-improvement plan and requires greater sub-tier visibility. It qualifies a second supplier for 35% of annual demand. A framework agreement establishes forecast-sharing, capacity reservation, change-notification requirements, warranty terms and corrective-action deadlines. A limited stock of critical replacement units is held while the second source is stabilised.

Monthly reviews track delivery, defects, response time and corrective-action closure. Quarterly reviews examine capacity, financial health, process changes and continuity risks. The company also redesigns the specification to define performance requirements clearly while permitting approved equivalent designs.

Outcome

After implementation, the company has reduced dependency without completely losing volume leverage. Delivery reliability improves, quality incidents decline and emergency purchasing falls. The purchase price is slightly higher for the second source, but total disruption exposure is reduced. The outcome demonstrates why supplier strategy should be evaluated through total value and risk rather than unit price alone.

Learning Points

1. A high-value category is not automatically high risk, and a low-value item may be operationally critical.
2. Dual sourcing is effective only when alternative suppliers are genuinely qualified.
3. Supplier development and supplier competition can be used together.
4. Specifications, performance measures and contract provisions must support the sourcing strategy.
5. Risk reduction may justify a higher direct price when the cost of disruption is substantial.

Challenges and Limitations

Strategic sourcing is difficult when data are poor, specifications are unstable, internal stakeholders disagree or suppliers have unequal bargaining power. Weighted scoring can create a false impression of objectivity if weights or ratings are arbitrary. Spend concentration measures do not reveal hidden capacity constraints or sub-tier dependence. Market research may become outdated quickly. Cost models may omit uncertainty and opportunity cost. Supplier audits provide only a point-in-time view and may not reveal unauthorised subcontracting.

These limitations require disciplined assumptions, sensitivity analysis, cross-functional review, supplier dialogue and periodic reassessment. Strategic sourcing is not a one-time project; it is a continuing management capability.

Best-Practice Checklist

• Build a clean and consistently classified spend database.
• Separate mandatory requirements from desirable criteria.
• Assess total cost, risk and service—not price alone.
• Use cross-functional evaluation teams and documented evidence.
• Match relationship intensity to category importance and supply risk.
• Define performance measures before contract implementation.
• Use corrective action and supplier development before assuming that switching is the only solution.
• Maintain continuity plans for critical categories.
• Apply ethical, sustainability and data-governance controls.
• Review supplier portfolios as technology, demand and markets change.

Chapter Summary

Strategic sourcing integrates spend analysis, demand definition, market research, make-or-buy analysis, supplier selection, contracting and continuing supplier management. Spend analysis reveals expenditure patterns, supplier concentration and opportunities for standardisation or leverage. Market research examines competition, cost drivers, supplier capability and external risks. Make-or-buy decisions compare relevant future costs while incorporating capacity, quality, intellectual property and strategic considerations.

Supplier selection should use clear specifications, mandatory requirements, evidence-based criteria and, where suitable, weighted scoring. Total cost of ownership is more informative than unit price alone. Portfolio frameworks classify categories according to business impact and supply risk, allowing organisations to select appropriate strategies for routine, leverage, bottleneck and strategic items.

Supplier relationship management includes governance, communication, performance measurement, corrective action and supplier development. Contracts and continuity plans allocate risk and protect supply. Ethical procurement, sustainability, responsible sourcing, cybersecurity and controlled use of digital and AI tools are now integral to professional materials management. Effective sourcing ultimately creates reliable, resilient and value-adding supply relationships.

Key Terms

Strategic sourcing: A systematic process for obtaining best total value from supply markets while managing risk.

Spend analysis: Examination and classification of organisational purchasing expenditure.

Supply market research: Investigation of suppliers, market structure, capability, cost drivers and external conditions.

Make-or-buy analysis: Evaluation of whether an item should be produced internally or purchased externally.

Relevant cost: A future cost that differs between decision alternatives.

Total cost of ownership: All significant costs associated with acquiring, using and disposing of an item or service.

Supplier concentration: The extent to which expenditure or supply depends on a small number of suppliers.

Supplier qualification: Formal confirmation that a supplier can meet specified requirements.

Weighted scoring model: A method that combines criterion ratings using assigned weights.

Supplier relationship management: Planned governance and improvement of interactions with important suppliers.

Supplier development: Buyer-supported activity designed to improve supplier capability or performance.

On-time delivery: The percentage of deliveries received within the agreed date or delivery window.

Corrective action: Action taken to eliminate the cause of a detected nonconformity.

Supply risk: The likelihood and consequence of interruption, failure or inability to obtain supply.

Business impact: The effect of a category on cost, operations, quality, customers or strategy.

Dual sourcing: Use of two qualified suppliers for the same or substitutable requirement.

Maverick spend: Expenditure made outside approved contracts or procurement processes.

Sub-tier supplier: A supplier that provides goods or services to the organisation’s direct supplier.

Supplier governance: Structures, controls and decision rights used to manage supplier relationships.

Review Questions

Short Answer Questions

1. What is the difference between operational purchasing and strategic sourcing?
2. Why must spend data be cleansed before analysis?
3. Define a relevant cost in a make-or-buy decision.
4. State two advantages and one limitation of a weighted supplier-scoring model.
5. What is the purpose of supplier development?

Long Answer Questions

1. Explain the stages of a strategic sourcing cycle and show how cross-functional participation improves decisions.
2. Discuss how total cost of ownership differs from unit-price comparison in supplier selection.
3. Explain the four categories in a supply-risk and business-impact portfolio and suggest an appropriate strategy for each.
4. Describe the main elements of an effective supplier performance-management system.
5. Discuss the ethical, sustainability and governance responsibilities of a materials-management professional.

Analytical / Application Questions

1. An organisation buys 20,000 units at $12 each from one supplier. A second supplier offers $12.40 per unit but would reduce estimated disruption exposure by $18,000 per year and require $5,000 in qualification cost. Analyse the decision using relevant financial and qualitative factors.
2. Develop a weighted supplier-evaluation model for a critical engineering component. Select at least four criteria, assign weights, explain the rating scale and describe how you would test the robustness of the result.
3. A low-value maintenance item causes a production shutdown when unavailable. Use a portfolio approach to classify the item and propose a sourcing, inventory and supplier-management strategy.

Multiple Choice Questions with Answers

Question 1

What is the primary purpose of strategic sourcing?

A. To obtain the lowest quoted unit price in every purchase

B. To create best total value while managing supply risk

C. To eliminate all supplier relationships

D. To increase the number of purchase orders

Correct Answer: B. To create best total value while managing supply risk

Question 2

Which activity is essential before interpreting supplier concentration from spend data?

A. Increasing safety stock

B. Changing all suppliers

C. Cleansing and classifying the data

D. Issuing a purchase order

Correct Answer: C. Cleansing and classifying the data

Question 3

In a make-or-buy decision, which cost is generally relevant?

A. An allocated overhead that continues under both alternatives

B. A historical cost that cannot be changed

C. An avoidable fixed cost that disappears if production is outsourced

D. A sunk cost already paid

Correct Answer: C. An avoidable fixed cost that disappears if production is outsourced

Question 4

A weighted supplier score is calculated using which principle?

A. Adding supplier prices only

B. Multiplying criterion weights by ratings and summing the results

C. Selecting the supplier with the most criteria

D. Ranking suppliers only by delivery time

Correct Answer: B. Multiplying criterion weights by ratings and summing the results

Question 5

Which category has both high business impact and high supply risk in a portfolio model?

A. Routine

B. Leverage

C. Bottleneck

D. Strategic

Correct Answer: D. Strategic

Question 6

Which measure is represented by deliveries meeting the agreed date divided by total deliveries?

A. On-time delivery

B. Supplier concentration

C. Inventory turnover

D. Defect opportunity rate

Correct Answer: A. On-time delivery

Question 7

What is the main purpose of supplier development?

A. To remove all performance requirements

B. To improve supplier capability or performance

C. To prevent communication with suppliers

D. To replace every incumbent supplier

Correct Answer: B. To improve supplier capability or performance

Question 8

Which factor is most relevant to a business-continuity plan?

A. Supplier logo design

B. Alternative capacity and recovery procedures

C. The buyer’s office layout

D. The number of pages in the contract

Correct Answer: B. Alternative capacity and recovery procedures

Question 9

Why can a low unit price be misleading in supplier selection?

A. Unit price is never recorded

B. It may exclude quality, transport, inventory and disruption costs

C. Suppliers cannot quote prices

D. Price has no relationship to purchasing

Correct Answer: B. It may exclude quality, transport, inventory and disruption costs

Question 10

Which control supports ethical supplier selection?

A. Undisclosed personal preferences

B. Verbal awards without records

C. Documented criteria, approvals and an audit trail

D. Selecting suppliers without due diligence

Correct Answer: C. Documented criteria, approvals and an audit trail