Externality - Revision history

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	* [http://www.independent.org/pdf/tir/tir_08_4_3_bratland.pdf#page=2 Externalities, Conflict, and Offshore Lands Resolution Through the Institutions of Private Property] (pdf) by John Brätland, 2004		* [http://www.independent.org/pdf/tir/tir_08_4_3_bratland.pdf#page=2 Externalities, Conflict, and Offshore Lands Resolution Through the Institutions of Private Property] (pdf) by John Brätland, 2004
	* [http://www.cato.org/sites/cato.org/files/serials/files/cato-journal/1982/5/cj2n1-6.pdf Pollution Externalities: Social Cost and Strict Liability] (pdf) by Peter Lewin, 1982		* [http://www.cato.org/sites/cato.org/files/serials/files/cato-journal/1982/5/cj2n1-6.pdf Pollution Externalities: Social Cost and Strict Liability] (pdf) by Peter Lewin, 1982
	* [https://mises.org/pdf/asc/2003/asc9simpson.~~pdfWhy~~ Externalities Are Not a Case of Market Failure] (pdf) by Brian P. Simpson, March 2003		* [https://mises.org/pdf/asc/2003/asc9simpson.pdf Why Externalities Are Not a Case of Market Failure] (pdf) by Brian P. Simpson, March 2003
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	==Links==		==Links==
			* [https://mises.org/Journals/Scholar/Barnett.Pdf The End of the Externality Revolution] (pdf) by A. H. Barnett and Bruce Yandle, 2009
			* {{md\|5085\|Accounting for the Unaccountable: The Case of Externalities\|Predrag Rajsic\|March 2011}}
			* [https://www.mises.org/freemarket_detail.aspx?control=367 What is an Externality?] by Gene Callahan, August 2001
			* {{md\|1360\|The "Externalities" Argument\|Stephen P. Halbrook\|October 2003}}
			* [https://mises.org/journals/jls/7_1/7_1_1.pdf Public Goods and Externalities: The Case of Roads] (pdf) by Walter Block, 1983
			* [http://www.econlib.org/library/Enc1/PublicGoodsandExternalities.html Public Goods and Externalities] by Tyler Cowen
			* [https://mises.org/journals/scholar/Murphy6.pdf Private Solutions to Positive Externalities: Military Expenditures, Insurance, and Call Options] (pdf) by Robert P. Murphy, May 2004
			* [http://www.independent.org/pdf/tir/tir_08_4_3_bratland.pdf#page=2 Externalities, Conflict, and Offshore Lands Resolution Through the Institutions of Private Property] (pdf) by John Brätland, 2004
			* [http://www.cato.org/sites/cato.org/files/serials/files/cato-journal/1982/5/cj2n1-6.pdf Pollution Externalities: Social Cost and Strict Liability] (pdf) by Peter Lewin, 1982
			* [https://mises.org/pdf/asc/2003/asc9simpson.pdfWhy Externalities Are Not a Case of Market Failure] (pdf) by Brian P. Simpson, March 2003
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Pestergaines: Typo.

2011-10-04T18:25:24Z

Typo.

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	An '''externality''' in [[economics]] is a [[cost]] or benefit which occurs to an individual or group of individuals who are not directly involved in the market transaction which causes it. Alternatively an externality can be seen as a cost or benefit which an economic agent imposes on an innocent bystander, and is often referred to as a spill-over effect from the activity.<ref name="Spulber_Failures">Spulber, Daniel. "Famous Fables of Economic – Myths of Market Failures", 2002, page 8.</ref> Some of the original contributions to the theory of externalities come from British economist [[A.C. Pigou]] in the early 20th century, with the theory now commonly associated with [[welfare economics]].<ref>Callahan, Gene. [http://mises.org/resources/2031/Economics-for-Real-People "Economics for Real People"], 2004, page 243.</ref> A positive externality is one which involves a benefit, while a negative externality is one which involves a cost. Externalities are of interest to economists due to the fact that positive and negative eternalities occur outside of the market transactions and are thus not properly reflected in price. Furthermore because externalities are not properly reflected in prices individuals who are ~~invloved~~ in activities which produce them have no economic incentive to take them into account. As such it is commonly supposed that individuals engage excessively in actions that produce negative externalities and insufficiently in activities which produce positive externalities.<ref name="Spulber_Failures" />		An '''externality''' in [[economics]] is a [[cost]] or benefit which occurs to an individual or group of individuals who are not directly involved in the market transaction which causes it. Alternatively an externality can be seen as a cost or benefit which an economic agent imposes on an innocent bystander, and is often referred to as a spill-over effect from the activity.<ref name="Spulber_Failures">Spulber, Daniel. "Famous Fables of Economic – Myths of Market Failures", 2002, page 8.</ref> Some of the original contributions to the theory of externalities come from British economist [[A.C. Pigou]] in the early 20th century, with the theory now commonly associated with [[welfare economics]].<ref>Callahan, Gene. [http://mises.org/resources/2031/Economics-for-Real-People "Economics for Real People"], 2004, page 243.</ref> A positive externality is one which involves a benefit, while a negative externality is one which involves a cost. Externalities are of interest to economists due to the fact that positive and negative eternalities occur outside of the market transactions and are thus not properly reflected in price. Furthermore because externalities are not properly reflected in prices individuals who are involved in activities which produce them have no economic incentive to take them into account. As such it is commonly supposed that individuals engage excessively in actions that produce negative externalities and insufficiently in activities which produce positive externalities.<ref name="Spulber_Failures" />

	A common example of a negative externality is the pollution emitted by a factory which decreases the air quality of surrounding areas, imposing a cost on residents of the effected area. An example of a positive externality is the beautification of one's property, i.e., if one plants a rose bush on their front lawn while they will bear the whole cost their neighbours, along with them, will also benefit.		A common example of a negative externality is the pollution emitted by a factory which decreases the air quality of surrounding areas, imposing a cost on residents of the effected area. An example of a positive externality is the beautification of one's property, i.e., if one plants a rose bush on their front lawn while they will bear the whole cost their neighbours, along with them, will also benefit.

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2011-09-29T21:30:57Z

Fixed cat and refs.

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	An '''externality''' in [[economics]] is a [[cost]] or benefit which occurs to an individual or group of individuals who are not directly involved in the market transaction which causes it. Alternatively an externality can be seen as a cost or benefit which an economic agent imposes on an innocent bystander, and is often referred to as a spill-over effect from the activity.<ref>Spulber, Daniel. "Famous Fables of Economic – Myths of Market Failures", 2002, page 8.</ref> Some of the original contributions to the theory of externalities come from British economist [[A.C. Pigou]] in the early 20th century, with the theory now commonly associated with [[welfare economics]].<ref>Callahan, Gene. [http://mises.org/resources/2031/Economics-for-Real-People "Economics for Real People"], 2004, page 243.</ref> A positive externality is one which involves a benefit, while a negative externality is one which involves a cost. Externalities are of interest to economists due to the fact that positive and negative eternalities occur outside of the market transactions and are thus not properly reflected in price. Furthermore because externalities are not properly reflected in prices individuals who are invloved in activities which produce them have no economic incentive to take them into account. As such it is commonly supposed that individuals engage excessively in actions that produce negative externalities and insufficiently in activities which produce positive externalities.<ref~~>Spulber, Daniel.~~ "~~Famous Fables of Economic – Myths of Market Failures~~"~~, 2002, page 8.<~~/~~ref~~>		An '''externality''' in [[economics]] is a [[cost]] or benefit which occurs to an individual or group of individuals who are not directly involved in the market transaction which causes it. Alternatively an externality can be seen as a cost or benefit which an economic agent imposes on an innocent bystander, and is often referred to as a spill-over effect from the activity.<ref name="Spulber_Failures">Spulber, Daniel. "Famous Fables of Economic – Myths of Market Failures", 2002, page 8.</ref> Some of the original contributions to the theory of externalities come from British economist [[A.C. Pigou]] in the early 20th century, with the theory now commonly associated with [[welfare economics]].<ref>Callahan, Gene. [http://mises.org/resources/2031/Economics-for-Real-People "Economics for Real People"], 2004, page 243.</ref> A positive externality is one which involves a benefit, while a negative externality is one which involves a cost. Externalities are of interest to economists due to the fact that positive and negative eternalities occur outside of the market transactions and are thus not properly reflected in price. Furthermore because externalities are not properly reflected in prices individuals who are invloved in activities which produce them have no economic incentive to take them into account. As such it is commonly supposed that individuals engage excessively in actions that produce negative externalities and insufficiently in activities which produce positive externalities.<ref name="Spulber_Failures" />

	A common example of a negative externality is the pollution emitted by a factory which decreases the air quality of surrounding areas, imposing a cost on residents of the effected area. An example of a positive externality is the beautification of one's property, i.e., if one plants a rose bush on their front lawn while they will bear the whole cost their neighbours, along with them, will also benefit.		A common example of a negative externality is the pollution emitted by a factory which decreases the air quality of surrounding areas, imposing a cost on residents of the effected area. An example of a positive externality is the beautification of one's property, i.e., if one plants a rose bush on their front lawn while they will bear the whole cost their neighbours, along with them, will also benefit.
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Matthew at 23:59, 28 September 2011

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	An '''externality''' in [[economics]] is a [[cost]] or benefit which occurs to an individual or group of individuals who are not directly involved in the market transaction which causes it. Alternatively an externality can be seen as a cost or benefit which an economic agent imposes on an innocent bystander, and is often referred to as a spill-over effect from the activity.<ref>Spulber, Daniel. "Famous Fables of Economic – Myths of Market Failures", 2002, page 8.</ref> Some of the original contributions to the theory of externalities come from British economist [[A.C. Pigou]] in the early 20th century.<ref>Callahan, Gene. [http://mises.org/resources/2031/Economics-for-Real-People "Economics for Real People"], 2004, page 243.</ref> A positive externality is one which involves a benefit, while a negative externality is one which involves a cost. Externalities are of interest to economists due to the fact that positive and negative eternalities occur outside of the market transactions and are thus not properly reflected in price. Furthermore because externalities are not properly reflected in prices individuals who are invloved in activities which produce them have no economic incentive to take them into account. As such it is commonly supposed that individuals engage excessively in actions that produce negative externalities and insufficiently in activities which produce positive externalities.<ref>Spulber, Daniel. "Famous Fables of Economic – Myths of Market Failures", 2002, page 8.</ref>		An '''externality''' in [[economics]] is a [[cost]] or benefit which occurs to an individual or group of individuals who are not directly involved in the market transaction which causes it. Alternatively an externality can be seen as a cost or benefit which an economic agent imposes on an innocent bystander, and is often referred to as a spill-over effect from the activity.<ref>Spulber, Daniel. "Famous Fables of Economic – Myths of Market Failures", 2002, page 8.</ref> Some of the original contributions to the theory of externalities come from British economist [[A.C. Pigou]] in the early 20th century, with the theory now commonly associated with [[welfare economics]].<ref>Callahan, Gene. [http://mises.org/resources/2031/Economics-for-Real-People "Economics for Real People"], 2004, page 243.</ref> A positive externality is one which involves a benefit, while a negative externality is one which involves a cost. Externalities are of interest to economists due to the fact that positive and negative eternalities occur outside of the market transactions and are thus not properly reflected in price. Furthermore because externalities are not properly reflected in prices individuals who are invloved in activities which produce them have no economic incentive to take them into account. As such it is commonly supposed that individuals engage excessively in actions that produce negative externalities and insufficiently in activities which produce positive externalities.<ref>Spulber, Daniel. "Famous Fables of Economic – Myths of Market Failures", 2002, page 8.</ref>

	A common example of a negative externality is the pollution emitted by a factory which decreases the air quality of surrounding areas, imposing a cost on residents of the effected area. An example of a positive externality is the beautification of one's property, i.e., if one plants a rose bush on their front lawn while they will bear the whole cost their neighbours, along with them, will also benefit.		A common example of a negative externality is the pollution emitted by a factory which decreases the air quality of surrounding areas, imposing a cost on residents of the effected area. An example of a positive externality is the beautification of one's property, i.e., if one plants a rose bush on their front lawn while they will bear the whole cost their neighbours, along with them, will also benefit.

Matthew: create

2011-09-28T23:57:56Z

create

New page

An '''externality''' in [[economics]] is a [[cost]] or benefit which occurs to an individual or group of individuals who are not directly involved in the market transaction which causes it. Alternatively an externality can be seen as a cost or benefit which an economic agent imposes on an innocent bystander, and is often referred to as a spill-over effect from the activity.<ref>Spulber, Daniel. "Famous Fables of Economic – Myths of Market Failures", 2002, page 8.</ref> Some of the original contributions to the theory of externalities come from British economist [[A.C. Pigou]] in the early 20th century.<ref>Callahan, Gene. [http://mises.org/resources/2031/Economics-for-Real-People "Economics for Real People"], 2004, page 243.</ref> A positive externality is one which involves a benefit, while a negative externality is one which involves a cost. Externalities are of interest to economists due to the fact that positive and negative eternalities occur outside of the market transactions and are thus not properly reflected in price. Furthermore because externalities are not properly reflected in prices individuals who are invloved in activities which produce them have no economic incentive to take them into account. As such it is commonly supposed that individuals engage excessively in actions that produce negative externalities and insufficiently in activities which produce positive externalities.<ref>Spulber, Daniel. "Famous Fables of Economic – Myths of Market Failures", 2002, page 8.</ref>

A common example of a negative externality is the pollution emitted by a factory which decreases the air quality of surrounding areas, imposing a cost on residents of the effected area. An example of a positive externality is the beautification of one's property, i.e., if one plants a rose bush on their front lawn while they will bear the whole cost their neighbours, along with them, will also benefit.

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