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
Market Power and Market Failure
Regulating natural monopolies and protecting consumers and employees
- 3 things to know
- Papers 1 and 3
Overview
Why natural monopolies are regulated rather than broken up, price cap regulation and RPI minus X with its drawback, rate of return regulation, UK industry regulators, yardstick competition, asymmetric information, UK consumer protection law and why it is needed, employee protection, the minimum wage and employer power, and the costs and productivity effects of employee protection.
What you need to know
Answer each one before you reveal it.
What is price cap regulation?
How does an RPI minus X price cap create an incentive to cut costs?
Questions from this subtopic
Each one with the model answer underneath.
- 1
Why is a natural monopoly regulated rather than broken up?
Model answer
Splitting it would raise average cost for everyone, so the better answer is to control the single supplier's prices and standards.
- 2
What is price cap regulation?
Model answer
A price cap limits the annual rise in a regulated firm's prices, usually to the rate of inflation minus a set efficiency factor.
- 3
How does an RPI minus X price cap create an incentive to cut costs?
Model answer
The firm keeps any saving it makes below the capped price, so cutting costs faster than X directly raises its profit.
- 4
State one drawback of price cap regulation.
Model answer
The firm may cut costs by reducing quality or postponing investment, because only price is capped.
- 5
What is rate of return regulation, and what is its main weakness?
Model answer
It allows the firm to earn a set return on its capital, but this encourages over-investment because a larger capital base permits a larger profit.
- 6
Name three UK industry regulators and the sectors they oversee.
Model answer
Ofgem for energy, Ofwat for water and Ofcom for communications.
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