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SCARCITY RENT: The marginal opportunity cost imposed on future generations by extracting one more unit of a resource today. Scarcity rent is one of two costs the extraction of a finite resource imposes on society. The other is marginal extraction cost--the opportunity cost of resources employed in the extraction activity. Scarcity rent is the cost of "using up" a finite resource because benefits of the extracted resource are unavailable to future generations. Efficiency is achieved when the resource price--the benefit society is willing to pay for the resource today--is equal to the sum of marginal extraction cost and scarcity rent.
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ASSUMPTIONS, KEYNESIAN ECONOMICS The macroeconomic study of Keynesian economics relies on three key assumptions--rigid prices, effective demand, and savings-investment determinants. First, rigid or inflexible prices prevent some markets from achieving equilibrium in the short run. Second, effective demand means that consumption expenditures are based on actual income, not full employment or equilibrium income. Lastly, important savings and investment determinants include income, expectations, and other influences beyond the interest rate. These three assumptions imply that the economy can achieve a short-run equilibrium at less than full-employment production.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time wandering around the downtown area wanting to buy either a genuine down-filled comforter or a 200-foot blue garden hose. Be on the lookout for neighborhood pets, especially belligerent parrots.
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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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"The best way to cheer yourself up is to try to cheer somebody else up." -- Mark Twain
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SFA
Securities and Futures Authority (UK)
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