Unit 8 - The Market Mechanism, Market Failure And Government Intervention In Markets Flashcards
Signalling function of prices
Prices provide information to buyers and sellers.
Incentive function of prices
Prices create incentives for people to alter their economic behaviour, e.g. a higher price creates an incentive for firms to supply more of a good or service.
Rationing function of prices
Rising prices ration demand for a product.
Allocative function of prices
Changing relative prices allocate scarce resources away from markets exhibiting excess supply and into markets in which there is excess demand.
Market failure
When the market mechanism leads to a misallocation of resources in the economy, either completely failing to provide a good or service or providing the wrong quantity.
Complete market failure
A market fails to function at all and a ‘missing market’ results.
Partial market failure
A market does function, but it delivers the ‘wrong’ quantity of a good or service, which results in resource misallocation.
Missing market
A situation in which there is no market because the functions of prices have broken down.
Private good
A good,such as an orange, that is excludable and rival.
Excludable good
People who are unprepared to pay can be excluded from benefiting from the good.
Rival good
When one person consumes a private good, the quantity available to others diminishes
Public good
A good, such as a radio programme, that is non excludable and non rival.
Quasi public good
A good which is not fully non rival and/or where it is possible to exclude people from consuming the product.
Externality
A public good, in the case of an external benefit, or a public bad, in the case of an external cost, that is dumped on third pasrties outside the market.
Positive externality
An external benefit that occurs when the consumption or production of a good causes a benefit to a third party, where the social benefit is greater than the private benefit.