๐ External influences: markets, the global market and PEST
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OCR A-level Business (H436) ยท External influences: markets, the global market and PEST
Mini-Lesson
External influences: markets, the global market and PEST
This mini-lesson covers H436 Unit 6 โ External influences: market conditions and competition, the PEST / PESTLE framework, the economic variables that matter most โ interest rates, exchange rates (SPICED) and inflation, all with calculations โ and the global market: why firms go global, how they enter and what stops them.
Work through each screen, answer the questions as you go (some are written, many are calculations) and collect โญ stars. Watch for the Calculate and Exam skill flags. Press Start when you're ready.
Unit 6 ยท Markets
Market conditions and competition
Businesses do not operate in a vacuum. The degree of competition shapes almost every decision:
Monopoly โ one dominant firm; high barriers to entry, price maker. The CMA polices abuse of dominance.
Oligopoly โ a few large firms; interdependent, so they compete on branding and service rather than price (price wars destroy everyone's margins).
Monopolistic competition โ many firms with differentiated products (restaurants, hairdressers).
Perfect competition โ many firms, identical products, price takers; a theoretical benchmark.
Competitive pressure squeezes margins, so firms respond by differentiating, cutting costs, innovating or building brand loyalty.
Unit 6 ยท PESTLE
The PESTLE framework
PEST (often extended to PESTLE) organises the external environment:
Political โ government policy, taxation, regulation, trade policy, subsidies, political stability.
Economic โ the business cycle, GDP growth, unemployment, inflation, interest rates, exchange rates, consumer confidence.
Social โ demographics, ageing population, lifestyle, ethical expectations, working patterns.
Technological โ automation, e-commerce, AI, data analytics, R&D and product obsolescence.
Legal โ employment, consumer, competition, health and safety law.
Exam edge: PESTLE is only a list until you apply it. Say which factor matters most for this business, and why โ a highly geared, import-dependent firm cares far more about interest and exchange rates than a debt-free local service firm.
Sort it
Sort the external factors
Tap an external change, then tap the PEST category it belongs to.
๐๏ธ Political / Legal
๐ฐ Economic
๐ฑ Social / Technological
Unit 6 ยท Economic
Interest rates
The interest rate is the price of money. When the Bank of England raises the base rate:
Borrowing costs rise โ investment is postponed; highly geared firms are squeezed hardest.
Mortgage payments rise โ households have less to spend โ demand falls, hitting luxuries and big-ticket items (high positive YED) first.
Saving becomes more attractive โ consumer spending falls further.
Higher rates usually strengthen the pound (hot money flows in), which hurts exporters.
annual interest = loan ร interest rate
Calculate
Your turn โ interest cost
1A firm has a ยฃ250,000 loan on a variable rate. The rate rises from 6% to 8%. Calculate the new annual interest payment.
ยฃ
Hint: 250,000 ร 0.08.
Calculate
Your turn โ the extra cost
2At 6% the interest was ยฃ15,000. Using your answer above, calculate the increase in the annual interest bill.
ยฃ
Hint: 20,000 โ 15,000.
Unit 6 ยท Economic
Exchange rates โ SPICED
The exchange rate is the price of one currency in terms of another. Learn the mnemonic:
SPICEDStrong Pound = Imports Cheap, Exports Dear
A strong pound helps importers (raw materials cost less in ยฃ) and hurts exporters (UK goods look expensive abroad).
A weak pound makes UK exports competitive but raises the cost of imported components, squeezing margins and importing inflation.
Worked example
ยฃ1 = โฌ1.25. A UK product priced at ยฃ40 costs a euro buyer 40 ร 1.25 = โฌ50.
The pound strengthens to ยฃ1 = โฌ1.40. The same ยฃ40 product now costs 40 ร 1.40 = โฌ56 โ a 12% price rise for the European customer, with no change to the UK price.
Calculate
Your turn โ exchange rates
3The pound strengthens to ยฃ1 = โฌ1.40. Calculate the euro price of a UK product priced at ยฃ65.
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Hint: 65 ร 1.40.
Quick check
Quick check
?The pound weakens sharply. Which UK business benefits most?
Unit 6 ยท Economic
Inflation and the business cycle
Inflation is a sustained rise in the general price level (measured by CPI). Demand-pull inflation comes from excess demand; cost-push from rising input costs (wages, energy, imports).
Effects: input costs rise, so firms must decide whether to pass them on (risking demand if PED is elastic) or absorb them (squeezing margins). Workers demand pay rises. Menu costs and uncertainty rise; long-term investment planning gets harder. Borrowers gain, savers lose in real terms.
The business cycle โ boom, downturn, recession, recovery โ drives demand. In a recession, firms selling luxury goods (high YED) suffer most; inferior goods and discount retailers can grow.
Calculate
Your turn โ inflation
4A firm's annual costs are ยฃ2,400,000. Inflation raises them by 3.5%. Calculate the new total cost.
ยฃ
Hint: 2,400,000 ร 1.035.
Unit 6 ยท Global
The global market
Why go global? Larger market and higher sales, extended product life cycles, economies of scale, cheaper labour and materials, spread of risk across economies.
Methods of entry: exporting (lowest risk, least control), licensing and franchising, joint ventures (local knowledge, shared risk, risk of conflict), direct investment / wholly owned subsidiaries (full control, highest risk).
Barriers and risks: tariffs and quotas, non-tariff barriers (standards, paperwork), cultural differences, exchange rate volatility, political instability, and the need to adapt the marketing mix (global standardisation vs local adaptation โ think "glocalisation").
Emerging markets (rapidly growing economies) attract firms with a growing middle class and lower costs, but bring political risk, weaker infrastructure and intellectual-property concerns.
Quick check
Quick check
?A UK food brand entering Japan changes its recipes and packaging for local tastes. This is:
Match it
Match the external factor to its likely effect
Tap a card on the left, then its partner on the right.
Change
Likely effect
Quick check
Quick check
?Which is the strongest reason a highly geared business fears a rise in interest rates more than a debt-free rival does?
Unit 6 ยท Political
Government policy and trade
Taxation โ corporation tax cuts retained profit; a rise in employer National Insurance raises labour costs; VAT changes affect demand.
Regulation โ the CMA, sector regulators (Ofgem, Ofwat) and environmental rules constrain pricing and behaviour.
Subsidies and grants โ support for R&D, green technology and regional development.
Trade policy โ tariffs (a tax on imports) raise the price of imported inputs and make exports dearer abroad; quotas limit volumes; non-tariff barriers (standards, customs paperwork) add cost and delay.
Protectionism shields domestic firms but invites retaliation and raises consumer prices.
Calculate
Your turn โ the cost of an import
5A UK firm buys a component from a US supplier for $60,000. The exchange rate is ยฃ1 = $1.25. Calculate the cost in pounds.
ยฃ
Hint: 60,000 รท 1.25.
Quick check
Quick check
?The UK government imposes a tariff on imported steel. For a UK manufacturer that imports steel, the immediate effect is:
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