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Edexcel IAL Business · WBS13
Unit 3WBS13

Business Decisions and Strategy
strategic thinking sharpened

Complete revision notes for Unit 3. Business objectives, growth strategies, decision-making techniques, competitiveness and managing change — everything you need for WBS13.

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3.3.3 — Decision-Making Techniques
🔑 Key idea
Quantitative techniques like decision trees and investment appraisal reduce risk, but they rely on estimated data — qualitative judgement is always needed alongside the numbers.
Decision trees — map out choices with probabilities and expected values to compare options.
Investment appraisal — payback, ARR and NPV each give a different perspective on a project.
Gather data
Apply technique
Evaluate result
Informed decision
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Every WBS13 point covered
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Everything in Unit 3, spec point by spec point

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Unit overview

What you need to know for WBS13

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Objectives shape every decision
Every strategy question requires you to link back to business objectives. Short-term vs long-term, stakeholder conflicts and the mission statement all matter.
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Quantitative tools have limits
Decision trees, CPA and investment appraisal give useful numbers, but examiners reward you for evaluating their limitations — estimated data, external changes, qualitative factors.
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Competitiveness is relative
A business is only competitive compared to its rivals. Use Porter, ratios and benchmarking to analyse competitive position — and always consider the market context.
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Change is inevitable
Managing change requires understanding both the drivers (technology, markets, regulation) and the barriers (resistance, culture, cost). Kotter and Lewin are your go-to models.
Exam paper info

WBS13 at a glance

Assessment details
Exam paperWBS13
Duration2 hours
Total marks80 marks
% of A-Level25%
Question types4820
Data responseYes — Section A
Essay questionsSection B — choose 1 of 2
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