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AGGREGATE MARKET ANALYSIS: An investigation of macroeconomic phenomena, including unemployment, inflation, business cycles, and stabilization policies, using the aggregate market interaction between aggregate demand, short-run aggregate supply, and long-run aggregate supply. Aggregate market analysis, also termed AS-AD analysis, has been the primary method of investigating macroeconomic activity since the 1980s, replacing Keynesian economic analysis that was predominant for several decades. Like most economic analysis, aggregate market analysis employs comparative statics, the technique of comparing the equilibrium after a shock with the equilibrium before a shock. While the aggregate market model is usually presented as a simply graph at the introductory level, more sophisticated and more advanced analyses often involve a system of equations.
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PRODUCTION COST: The opportunity cost of using labor, capital, land, and entrepreneurship in the production of goods and services. Production cost is important to supply. The price received by a seller must be great enough to cover production cost. Note that production cost includes what you probably think of as the traditional "cost of doing business," but it includes other less obvious costs, as well. While labor, capital, and land typically involve an explicit cost--an actual money payment--the cost of entrepreneurship is often an implicit cost. In particular, the cost of entrepreneurship is termed normal profit. See also | opportunity cost | labor | capital | land | entrepreneurship | production | good | service | supply | resource prices | wage | interest | rent | profit | aggregate supply | short-run aggregate supply |  Recommended Citation:PRODUCTION COST, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2025. [Accessed: July 5, 2025]. AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: production cost
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SAVING-INVESTMENT MODEL A variation of the Keynesian injections-leakages model that includes the two private sectors, the household sector and the business sector. This variation, more formally termed the two-sector injections-leakages model, captures the interaction between induced saving (and indirectly induced consumption expenditures) and autonomous investment expenditures. This model provides an alternative to the two-sector aggregate expenditures (Keynesian cross) analysis of the macroeconomy, including equilibrium, disequilibrium, and the multiplier. Equilibrium is identified as the intersection between the saving line and the investment line. Two related variations are the three-sector injections-leakages model and the four-sector injections-leakages model.
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"Plans are only good intentions unless they immediately degenerate into hard work." -- Peter Drucker, management consultant
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TDR Treasury Deposit Receipt
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