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MARKET SUPPLY: The total supply of every seller willing and able to sell a good. Market supply is found by combining the individual supplies of every firm or producer willing and able to sell a particular good. The market supply curve is found by horizontally adding all individual supply curves, that is, sum up the quantities supplied by all sellers at each and every price. Market supply operates according to the law of supply, as illustrated by a upward-sloping market supply curve. For higher prices the quantity supplied by all sellers in the market combined is greater than the quantity supplied for lower prices.
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Lesson Contents
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Unit 1: Instability |
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Unit 2: A Simple Cycle |
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Unit 3: Measurement |
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Unit 4: Causes |
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Unit 5: Policies | |
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Business Cycles
To purpose of this lesson is to examine the nature and causes of macroeconomic instability, which goes by the handy title business cycles. Business cycles are the recurring expansions and contractions of economic activity that generate the problems of unemployment and inflation. This lesson explores how business cycles can be stabilized with the goal of lessening unemployment and inflation. - The notion of business cycles is introduced in the first unit of this lesson, with an eye on what they are and why they are important to study.
- The four components of a standard, simple business cycle -- expansion, peak, contraction, and trough -- are then presented and discussed in the second unit.
- The third unit is devoted to several key measures of business cycle activity, especially leading, lagging, and coincident indicators.
- A couple of the most often discussed causes of business-cycle instability -- investment and politics -- are discussed in the fourth unit.
- The fifth unit closes out this lesson with an introduction to the expansionary and contractionary economic policies used to stabilize business cycles.
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AGGREGATE SUPPLY DECREASE, LONG-RUN AGGREGATE MARKET A shock to the long-run aggregate market caused by a decrease in aggregate supply, resulting in and illustrated by a leftward shift of the long-run aggregate supply curve. A decrease in aggregate supply in the long-run aggregate market results in an increase in the price level and a decrease in real production. The level of real production resulting from the shock is a smaller level of full-employment real production.
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time searching for a specialty store wanting to buy either galvanized steel storage shelves or a large green chalkboard shaped like the state of Maine. Be on the lookout for small children selling products door-to-door.
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This isn't me! What am I?
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The wealthy industrialist, Andrew Carnegie, was once removed from a London tram because he lacked the money needed for the fare.
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"We must be willing to let go of the life we have planned, so as to have the life that is waiting for us. " -- E. M. Forster, writer
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SPE
Subgame Perfect Equilibrium
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