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Consumption (economics)

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Title: Consumption (economics)  
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Consumption (economics)

Consumption is a major concept in economics and is also studied by many other social sciences. Economists are particularly interested in the relationship between consumption and income, and therefore in economics the consumption function plays a major role.

Different schools of economists define production and consumption differently. According to mainstream economists, only the final purchase of goods and services by individuals constitutes consumption, while other types of expenditure — in particular, fixed investment, intermediate consumption, and government spending — are placed in separate categories (See consumer choice). Other economists define consumption much more broadly, as the aggregate of all economic activity that does not entail the design, production and marketing of goods and services (e.g. the selection, adoption, use, disposal and recycling of goods and services).

Contents

  • Consumption function 1
  • Behavioural Economics and Consumption 2
  • Consumption and Household Production 3
  • Effects of consumption 4
  • Old-age spending 5
  • See also 6
  • References 7
  • Further reading 8
  • External links 9

Consumption function

It is a single mathematical function used to express consumer spending. Complete article at consumption function.

Behavioural Economics and Consumption

The Keynesian consumption function is also known as the absolute income hypothesis, as it only bases consumption on current income and ignores potential future income (or lack of). Criticism of this assumption lead to the development of Milton Friedman's permanent income hypothesis and Franco Modigliani's life cycle hypothesis. More recent theoretical approaches are based on behavioral economics and suggest that a number of behavioural principles can be taken as microeconomic foundations for a behaviourally-based aggregate consumption function.[1]

Consumption and Household Production

Consumption is defined in part by comparison to production. In the tradition of the Columbia School of Household Economics also known as the New Home Economics commercial consumption has to be analyzed in the context of household production. Opportunity cost of time affects the cost of home-produced substitutes and therefore demand for commercial goods and services.[2][3] The elasticity of demand for consumption goods is also a function of who performs chores in households and how their spouses compensate them for opportunity costs of home production.[4]

Different schools of economists define production and consumption differently. According to mainstream economists, only the final purchase of goods and services by individuals constitutes consumption, while other types of expenditure — in particular, fixed investment, intermediate consumption, and government spending — are placed in separate categories (See consumer choice). Other economists define consumption much more broadly, as the aggregate of all economic activity that does not entail the design, production and marketing of goods and services (e.g. the selection, adoption, use, disposal and recycling of goods and services).

Consumption can also be measured by a variety of different ways such as energy in energy economics metrics.

Effects of consumption

Aggregate consumption can increase aggregate demand.[5]According to the UN, "today’s consumption is undermining the environmental resource base. It is exacerbating inequalities. And the dynamics of the consumption-poverty-inequality-environment nexus are accelerating. If the trends continue without change — not redistributing from high-income to low-income consumers, not shifting from polluting to cleaner goods and production technologies, not shifting priority from consumption for conspicuous display to meeting basic needs — today’s problems of consumption and human development will worsen."

Old-age spending

Spending the Kids' Inheritance (originally the title of a book on the subject by Annie Hulley) and the acronyms SKI and SKI'ing refer to the growing number of older people in Western society spending their money on travel, cars and property, in contrast to previous generations who tended to leave that money to their children.

Die Broke (from the book Die Broke: A Radical Four-Part Financial Plan by Stephen Pollan and, Mark Levine) is a similar idea.

See also

References

  1. ^ D'Orlando, F.; Sanfilippo, E. (2010). "Behavioral foundations for the Keynesian Consumption Function".  
  2. ^ Mincer, Jacob (1963). "Market Prices, Opportunity Costs, and Income Effects". In Christ, C. Measurement in Economics. Stanford, CA: Stanford University Press. 
  3. ^ Becker, Gary S. (1965). "A Theory of the Allocation of Time". Economic Journal 75 (299): 493–517.  
  4. ^ Grossbard-Shechtman, Shoshana (2003). "A Consumer Theory with Competitive Markets for Work in Marriage". Journal of Socio-Economics 31 (6): 609–645.  
  5. ^ http://www.consumptiongrowth101.com/Basics.html

Further reading

  •  
  • Deaton, Angus (1992). Understanding Consumption.  
  • Friedman, Jonathan (1994). Consumption and Identity (Studies in Anthropology & History). Washington, DC:  
  • Isherwood, Baron C.; Douglas, Mary (1996). The World of Goods: Towards an Anthropology of Consumption (Paperback). New York:  
  • Hernandez Nuñez, Rafael J. (2014). The Consumption Expenditure Function. Know,Think,Write.  
  • Mackay, Hugh (Editor) (1997). Consumption and Everyday Life (Culture, Media and Identities series) (Paperback). Thousand Oaks, Calif:  
  • Miller, Daniel (1998). A Theory of Shopping (paperback).  
  • Slater, Don (1997). Consumer Culture and Modernity. Cambridge, UK: Polity Press.  

External links

  • An essay examining the strengths and weaknesses of Keynes's theory of consumption
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