CH16 - Market Failures and Government Intervention Flashcards
What are the 2 approaches for defending free market?
- Formal defence, based on allocative efficiency
- Informal defence, 3 central arguments
i. automatic coordination of actions of decentralised decision makers
ii. Pursuit of profits provides stimulus for innov + increase living standards
iii. Decentralisation of economic power
What is market failure?
failure of the unregulated market system to achieve allocative efficiency
When are resources allocated efficiently?
When P=MC
Why does increased market power fail in free markets fail to achieve allocative efficiency?
Economies of scale only allow room for a few firms operating at low costs and an ability to influence the market, they sell different products, set their prices and innovate to gain temporary monopoly.
Firms w market power will maximise profit at a level of output where P>MC, which is not efficient although it is inevitable.
What are externalities?
= whenever actions taken by firms or consumers directly impose costs/confer benefits on others.
What is the relation between MB and MC for the economy to allocate efficiently?
MB>MC
What is the difference between private cost and social cost?
Private cost - value of resources used in production as valued by producer
Social cost - includes private cost to producers plus any external costs imposed on third parties
What are the two types of benefits?
Private benefit - benefit received by consumer from using product (however intangible)
Social benefit - private benef + whatever benefits accrue to third parties
What is the effect of externalities on cost and benefits?
Discrepancies between private cost and social cost, or between private benefit and social benefit, occur when there are externalities. The presence of externalities, even when all markets are perfectly competitive, leads to allocatively inefficient outcomes.
What is the effect of a positive externality?
With a positive externality, a competitive free market will produce too little of the good.
What is the effect of a negatice externality?
With a negative externality, a competitive free market will produce too much of the good.
What kind of good is private goods?
rivalrous, excludable
what kind of goods are common-property resources
non-excludable, rivalrous
what kind of goods are club goods?
non-rivalrous, excludable
what kind of goods are public goods?
non-excludable, non-rivalrous