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NASH EQUILIBRIUM: A concept from Game Theory which establishes that a set of strategies followed by economic agents within a game is in equilibrium if, holding the strategies of all other economic agents constant, no economic agent can obtain a higher payoff by choosing a different strategy. For example, when firms operate within an oligopoly, once a Nash equilibrium has been reached, none of them will want to change their strategy because by doing it they cannot obtain a higher profit.
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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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RED AGGRESSERINE
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Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club wanting to buy either a decorative windchime with plastic or a flower arrangement for that special day for your mother. Be on the lookout for pencil sharpeners with an attitude.
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Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
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"I can feel guilty about the past, apprehensive about the future, but only in the present can I act." -- Abraham Maslow, Psychologist
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PIH
Permanent Income Hypothesis
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