Edexcel A-Level Economics B 9EB0
Scarcity, Choice and Potential Conflicts
Enterprise, Business and the Economy
Introducing the Market
The Role of Credit in the Economy
Market Failure and Government Intervention
Revenue, Costs, Profits and Cash
Business Growth and Competitive Advantage
Firms, Consumers and Elasticities of Demand
Productive Efficiency
Life in a Global Economy
The Economic Cycle
Introduction to Macroeconomic Policy
Globalisation
Economic Factors in Business Expansion
Impact of Globalisation on Global Companies
Impact of Globalisation on Local and National Economies
Global Labour Markets
Inequality and Re-Distribution
Competition and Market Power
Market Power and Market Failure
Market Failure Across the Economy
Macroeconomic Policies and Impact on Firms and Individuals
Risk and the Financial Sector
Competition and Market Power
Contestability, ease of entry and barriers to entry
- 3 things to know
- Papers 1 and 3
Overview
Contestable markets and the threat of entry, sunk costs, hit-and-run entry, the internet and retailing, barriers to entry from product differentiation, branding and start-up costs, intellectual property and UK patents, pharmaceutical firms, and how research and technological change can raise or lower barriers.
What you need to know
Answer each one before you reveal it.
Why does the threat of entry, rather than actual entry, discipline prices?
What is a sunk cost, and why does it matter for contestability?
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is a contestable market?
Model answer
A contestable market is one where entry and exit are cheap and easy, so existing firms are disciplined by the threat of new competition.
- 2
Why does the threat of entry, rather than actual entry, discipline prices?
Model answer
Firms hold prices near cost because high profits would immediately attract entrants who could take their customers away.
- 3
What is a sunk cost, and why does it matter for contestability?
Model answer
A sunk cost cannot be recovered on leaving a market, and the larger it is the riskier entry becomes and the less contestable the market is.
- 4
What is hit-and-run entry?
Model answer
Hit-and-run entry is where a firm enters to capture short-term supernormal profit and leaves again once it disappears, which is only possible when exit is costless.
- 5
How has the internet increased the contestability of retailing?
Model answer
An online seller avoids the sunk cost of shops and can reach customers nationally, so far less capital is needed to enter.
- 6
State what is meant by a barrier to entry.
Model answer
A barrier to entry is anything that makes it harder or more expensive for a new firm to start competing in a market.
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