1.3 Market Failure Flashcards
Define market failure
1.3.1
A situation in which the free markets equilibrium does not lead to a socially optimal allocation of resources, such that too much or too little of a good is being produced and/or consumed.
Why might markets fail?
1.3.1
- over or under producing goods (partial market failure)
- may not be a market present (missing markets rare; complete market failure)
Types of market failure
1.3.1
- Externalities
- Under-provision of public goods
- Information gaps
What is an externality?
1.3.2
A cost/benefit external to a market transaction, not reflected in the market prices - may affect 3rd parties not involved in the transaction.
What is a private cost?
1.3.2
Cost incurred by an individual (firm/consumer) as part of its production/other economic activities i.e. they take it upon themselves e.g. raw materials
What are external costs?
What are they due to?
When do they exist?
1.3.2
Costs associated with an indidivudal’s production/other economic activities borne by a third party and not reflected in market prices.
Due to an over consumption/production.
Exist when social costs > private costs
What are private benefits?
1.3.2
Benefit from an individual’s (firm/household’s) economic activity that accrue to that individual.
What are external benefits?
1.3.2
Benefit that society receives from the indidivudal’s engaged in economic activity (above & over those that accrue to the individual.)
What is social cost?
What is social benefit?
1.3.2
Social cost = Private + external cost
Social benefit = Private + external cost
What is marginal social cost?
1.3.2
Cost to society of producing one additional unit of a good
What is marginal social benefit?
1.3.2
Benefit to society of producing one additional unit of a good, or of consuming one additional unit of a good.
What is the issue of deciding positive and normative externalities?
1.3.2
- positive vs normative
- probability of occurrence
- morally right?
- there will always be a value judgement involved
Impact/externalities of economic growth on the environment
1.3.3
Global warming
River water
Acid rain
Biodiversity
What are private goods?
1.3.3
A good that once consumed by one person cannot be consumed by somebody else; excludable & rivalrous
What are (pure) public goods?
1.3.3
A good that is non-exclusive & non-rivalrous & non-rejectable.
What are quasi-public goods (non-pure public goods)?
1.3.3
A good which does not perfectly possess the characteristics of non-rivalry and non-excludability but is also not perfectly a private good.
Where and why are there “missing markets”?
1.3.3
There is no incentive for private firms to produce certain goods.
These are provided by the gov, who decide the best level of output by estimating the social benefit.
What does non-rivalrous mean?
1.3.3
Consumption of a product by one person does not prevent another person from also consuming the product.
a. k.a non diminishability/non exhaustability.
e. g. TV or radio.
What does non-excludable mean?
1.3.3
A situation in which it is not possible to provide a product to one person without allowing others to consume it as well.