Efficiency and Market Failure | Externalities Flashcards
Economic Efficiency
Scare resources are used in the most efficient way
Productive Efficiency
When a firm is producing at the lowest possible cost
Allocative efficiency
When price = Marginal cost, firms producing goods in high demand
Marginal cost
Addition to total cost when making one extra unit of output
Conditions for Productive efficiency
- Economy is producing at boundary of PPC
- Competition can lead to productive efficiency
Conditions for Allocative efficiency
- The desire to make the greatest profit
- Competition leads to allocative efficiency
Pareto optimality
Impossible to make someone better off without making the other worse off
Dynamic efficiency
When resources are allocated efficiently over time
Reasons for market failure
- Where there are externalities in the market
- Provision of demerit and merit goods
- Provision of public and quasi-public goods
- Information failure
- Moral Hazard and adverse selection
- Abuse of monopoly power
Policies to correct externalities
- Taxes
- Subsidies
- Regulations
- Pollution permits
- Property rights
- Provision of information
Policy for Negative consumption
- Taxes
- Price controls / Provision of information / quotas
Policy for Positive Production
Subsidies and provision of information
Private Costs
Costs incurred by consumer/firm
External Costs
Costs incurred and paid for by the third party
Social Costs
Total costs of an economic decision