Definition
An externality or external economy is a microeconomic term referring to a cost or benefit when the consumption or production decisions of goods and services cause an impact on third parties which are not reflected in the market price (OECD 2019). In economic activity, producer (supply side of the economy) and consumer (demand side of the economy) are the first and second parties, while third parties refer to other economic agents or units which are indirectly affected (Economics Online 2019). The concept of externalities explains the effect of market interactions on external agents. In a free market economy, producers and consumers play a key role in a market mechanism. Any market decision may lead to misallocation of resources and/or market failure. The consumption decision and production decision directly affect the externalities which are called spillovers.
Arthur C. Pigou is one of the...
References
Economics Online. (2019). Retrieved from https://www.economicsonline.co.uk/Market_failures/Externalities.html. Accessed 2 Aug 2019.
Intelligent Economists. (2019). Retrieved from https://www.intelligenteconomist.com/externalities/. Accessed 2 Aug 2019.
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Further Reading
Blinder, A. (1987). Hard heads, soft hearts: Tough-minded economics for a just society. New York: Addison-Wesley.
Coase, R. (1960). The problem of social cost. Journal of Law and Economics, 3(1), 1–44.
Cowen, T. (1992). Public goods and market failures. New Brunswick: Transaction Publishers.
Friedman, D. (1996). Hidden order: The economics of everyday life. New York: Harper Business.
Schultze, C. (1997). The public use of private interest. Washington, DC: Brookings Institution Press.
Viscusi, W. K. (1994). Cigarette taxation and the social consequences of smoking (NBER Working Paper No. 4891). Cambridge, MA: National Bureau of Economic Research.
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Kahraman, S. (2021). Externalities (Economics). In: Idowu, S., Schmidpeter, R., Capaldi, N., Zu, L., Del Baldo, M., Abreu, R. (eds) Encyclopedia of Sustainable Management. Springer, Cham. https://doi.org/10.1007/978-3-030-02006-4_558-1
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