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UNPLANNED INVESTMENT: Investment expenditures that the business sector undertakes apart from those they intend to undertake based on expected economic conditions, interest rates, sales, and profitability. Another term for unplanned investment is change in inventories, which result when aggregate expenditures differ from aggregate output. Unplanned investment can be either positive or negative, meaning business inventories can either rise or fall. Should unplanned investment occur, then actual and planned investment differ, aggregate expenditures are not equal to aggregate output, and the macroeconomy is not in equilibrium.

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Lesson 10: Gross Domestic Product | Unit 4: Measuring Income Page: 19 of 25

Topic: Personal Income <=PAGE BACK | PAGE NEXT=>

Personal income (PI) is the second income measure.
  • Personal Income is income RECEIVED by households.
  • Compare this with national income which is income earned by the factors of production.
These two income measures are similar, but not exactly the same.
  • Some income earned by the factors of production is not received by the household sector. Let's call it IEBNR.
  • Some income received by the household sector is not earned by a factor of production. Let's call it IRBNE.

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SHORT-RUN AGGREGATE MARKET

A macroeconomic model relating the price level and real production under the assumption that SOME prices are inflexible, especially resource prices. This is one of two aggregate market submodels used to analyze business cycles, gross production, unemployment, inflation, stabilization policies, and related macroeconomic phenomena. The other is the long-run aggregate market. The short-run aggregate market isolates the interaction between aggregate demand and short-run aggregate supply. The key assumption of this model is that SOME prices, especially resource prices, are inflexible. The primary result of this model is that the economy can achieve short-run equilibrium at real production that is either greater than or less than full-employment.

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Today, you are likely to spend a great deal of time wandering around the shopping mall seeking to buy either a case for your designer sunglasses or arch supports for your shoes. Be on the lookout for defective microphones.
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Three-forths of the gold mined each year is used to manufacture jewelry.
"Man is born to live, not to prepare for life. "

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