microeconomics - externalities Flashcards
market failure
Market Failure is defined as the failure of the free market to achieve allocative
efficiency, resulting in the over-allocation or under-allocation of resources
relative to the socially efficient level, or to achieve equity.
allocative efficiency
Allocative Efficiency is the situation in which society produces and consumes a
combination of goods and services that maximises its welfare. It is achieved when goods and services wanted by the economy are produced in the correct quantities.
When does allocative efficiency occur?
- society produces at a point on the PPC curve
- P = MC
- MSB = MSC
equity
Equity is the concept of fairness in society, referring to equal life chances regardless of identity, providing all citizens with a basic minimum amount of income, goods and services or to increase funds for redistribution.
What are some causes of market failure?
externalities, merit/demerit goods, info failure, market dominance, immobility of FOPs, public goods, excessive income inequality
externalities
spillover costs or benefits to third parties who are not directly involved in the production or consumption of goods and services.
marginal private cost (MPC)
refers to the additional cost incurred by producers or consumers who produce or consume an additional unit of the good.
marginal external cost (MEC)
refers to the cost incurred by the production or consumption of an additional unit of a good on third parties (3rd Party Effects) who are
not directly involved in the production or consumption of the goods.