Government intervention in Markets



What is laissez faire economics?
  • In a free market system, governments take the view that markets are best suited to allocating scarce resources and allow the market forces of supply and demand to set prices.
  • The role of the government is to protect property rights, uphold the rule of law and maintain the value of the currency.
  • Competitive markets often deliver improvements in allocative, productive and dynamic efficiency
  • But there are occasions when they fail – providing a case for intervention.
What are the main reasons for government intervention in markets?
The main reasons for policy intervention by the government are:
  1. To correct for market failures
  2. To achieve a more equitable distribution of income and wealth
  3. To improve the performance of the economy

Type of Market Failure

Consequence of Market Failure
Example of Government Intervention
Factor immobility
Structural unemployment
State investment in education and training
Public goods
Failure of market to provide pure public goods, free rider problem
Government funded public goods for collective consumption
Demerit goods
Over consumption of products with negative externalities
Information campaigns, minimum age for consumption
Merit goods
Under consumption of products with positive externalities
Subsidies, information on private benefits
Imperfect information
Damaging consequences for consumers from poor choices
Statutory information / labeling
High relative poverty
Low income families suffer social exclusion, negative externalities
Taxation and welfare to redistribute income and wealth
Monopoly power in a market
Higher prices for consumers causes loss of allocative efficiency
Competition policy, measures to encourage new firms into a market


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