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ARBITRAGE: Buying something in one market then immediately (or as soon as possible) selling it in another market for (hopefully) a higher price. Arbitrage is a common practice in financial markets. For example, an aspiring financial tycoon might buy a million dollars worth of Japanese yen in the Tokyo foreign exchange market then resell it immediately in the New York foreign exchange market for more than a million dollars. Arbitrage of this sort does two things. First, it often makes arbitragers wealthy. Second, it reduces or eliminates price differences that exist between two markets for the same good.

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Lesson 9: Macro Basics | Unit 3: Business Cycles Page: 10 of 16

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  • Business cycles, which are recurring expansions and contractions of the aggregate economy.
  • Expansions as general increases in economic activity and contractions as general decreases in economic activity.
  • An expansion is associated with low or falling unemployment and high or rising inflation, and a contraction is associated with high or rising unemployment and low or falling inflation.
  • Some business cycle causes: consumption, investment, government purchases and taxes, net exports, money, and resource supply considerations.


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INVESTMENT, PRODUCTION POSSIBILITIES

Investment typically refers to the purchase of productive capital by business in anticipation of increasing production and (presumably) generating more profit. More generally, investment can be considered as sacrificing the current satisfaction of wants and needs (consumption goods) to expand productive capability (capital goods). Production possibilities analysis can be used to illustrate the tradeoff between consumption and capital as a movement along a production possibilities curve.

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Today, you are likely to spend a great deal of time wandering around the downtown area looking to buy either handcrafted decorations to hang on your walls or throw pillows for your bed. Be on the lookout for high interest rates.
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The 22.6% decline in stock prices on October 19, 1987 was larger than the infamous 12.8% decline on October 29, 1929.
"Act well at the moment, and you have performed a good action for all eternity."

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