Market (economics): Difference between revisions
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==Perfect markets== | ==The uses of the term== | ||
==Markets in the real world== | |||
===Market characteristics=== | |||
===The principal markets=== | |||
====Product markets==== | |||
====Labour markets==== | |||
====Commodity markets==== | |||
====Financial markets==== | |||
==Markets in economic theory== | |||
===The basic concept=== | |||
In economic theory, a market exists when a would-be buyer makes contact with a would-be seller for the purpose of agreeing an exchange. In his ''[[Principles of Economics]]'' Alfred Marshall offered several definitions and gave a range of examples <ref>[http://www.econlib.org/library/Marshall/marP.html Alfred Marshall ''Principles of Economics'' Book V Chapter1 Macmillan 1920]</ref>. | |||
===The Walrasian auctioneer=== | |||
===Market friction=== | |||
==="The market for lemons"=== | |||
===Perfect markets=== | |||
Marshall also introduced the concept of a perfect market when he wrote .. ''the more nearly perfect a market is, the stronger is the tendency for the same price to be paid for the same thing at the same time in all parts of the market''. The hypothetical ideal of a perfect market has since been developed to mean a situation in which: | Marshall also introduced the concept of a perfect market when he wrote .. ''the more nearly perfect a market is, the stronger is the tendency for the same price to be paid for the same thing at the same time in all parts of the market''. The hypothetical ideal of a perfect market has since been developed to mean a situation in which: | ||
* price is determined by the costless interaction of collective supply with collective demand; | * price is determined by the costless interaction of collective supply with collective demand; | ||
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* it is impossible for any individual participants or groups of participants to influence the price of a product. | * it is impossible for any individual participants or groups of participants to influence the price of a product. | ||
===The efficient market hypothesis=== | |||
===Adaptive markets=== | |||
==Policy implications== | |||
===Responses to market failure=== | |||
===Public goods=== | |||
===Competition policy=== | |||
===Financial regulation=== | |||
==References== | ==References== | ||
<references/> | <references/> | ||
Revision as of 04:15, 26 October 2010
The uses of the term
Markets in the real world
Market characteristics
The principal markets
Product markets
Labour markets
Commodity markets
Financial markets
Markets in economic theory
The basic concept
In economic theory, a market exists when a would-be buyer makes contact with a would-be seller for the purpose of agreeing an exchange. In his Principles of Economics Alfred Marshall offered several definitions and gave a range of examples [1].
The Walrasian auctioneer
Market friction
"The market for lemons"
Perfect markets
Marshall also introduced the concept of a perfect market when he wrote .. the more nearly perfect a market is, the stronger is the tendency for the same price to be paid for the same thing at the same time in all parts of the market. The hypothetical ideal of a perfect market has since been developed to mean a situation in which:
- price is determined by the costless interaction of collective supply with collective demand;
- all information that is relevant to the price of a commodity is immediately known to all market participants;
- all market participants act rationally;
- it is impossible for any individual participants or groups of participants to influence the price of a product.