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PLANNED INVESTMENT: Investment expenditures that the business sector intends to undertake based on expected economic conditions, interest rates, sales, and profitability. This is a critical component of Keynesian economics and the analysis of macroeconomic equilibrium, which occurs when actual investment is equal to planned investment. The difference between planned and actual investment is unplanned investment, which is inventory changes caused by a difference between aggregate expenditures and aggregate output. Should actual and planned investment differ, then aggregate expenditures are not equal to aggregate output, and the macroeconomy is not in equilibrium.
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Lesson Contents
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Unit 1: Measuring Production |
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Unit 2: Looking Behind GDP |
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Unit 3: Two Views of GDP |
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Unit 4: Measuring Income |
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Unit 5: Issues | |
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Gross Domestic Product
This lesson investigates one of the most noted and important measures of macroeconomic activity -- gross domestic product (GDP). GDP measures the total production of goods and services that, in principle, are available to satisfy consumers wants and needs. We see the ins and outs of the GDP measure. As a bonus, we also get a close look at several related measures of production and income, including net domestic product (NDP), national income (NI), personal income (PI), and disposable income (PI). - In the first unit of this lesson, we take a look at the process of measuring gross domestic product, including what, in principle, is being measure.
- The second unit the turns to a detailed look at what IS included in GDP and what IS NOT included in the GDP based on the difference between market transactions and economic production.
- With the third unit we take a look at the two views of measuring GDP -- expenditures and resource costs.
- Moving on to the fourth unit, we get a look at the three related measures of income -- national income, personal income, and disposable income.
- And finally, the fifth unit considers a few issues related to measuring GDP, including what BDP does measure and what GDP doesn't measure.
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MARGINAL PRODUCT The change in the quantity of total product resulting from a unit change in a variable input, keeping all other inputs unchanged. Marginal product, usually abbreviated MP, is found by dividing the change in total product by the change in the variable input. Marginal product, which occasionally goes by the alias marginal physical product (MPP), is one of two measures derived from total product. The other is average product.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time searching the newspaper want ads hoping to buy either income tax software or a how-to book on the art of negotiation. Be on the lookout for poorly written technical manuals.
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This isn't me! What am I?
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The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
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"All things are difficult before they are easy." -- Thomas Fuller, Physician
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SAS
Statistical Analysis Software
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