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AGGREGATE EXPENDITURES LINE: A line representing the relation between aggregate expenditures and gross domestic product used in the Keynesian cross. The aggregate expenditure line is obtained by adding investment expenditures, government purchases, and net exports to the consumption line. As such, the slope of the aggregate expenditure line is largely based on the slope of the consumption line (which is the marginal propensity to consume), with adjustments coming from the marginal propensity to invest, the marginal propensity for government purchases, and the marginal propensity to import. The intersection of the aggregate expenditures line and the 45-degree line identifies the equilibrium level of output in the Keynesian cross.
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Lesson 4: Production Possibilities | Unit 5: Investment
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Page: 20 of 24
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Topic:
Bundle Choices: A
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Let's consider a few alternatives. If we select bundle A (450 jogging shoes and 0 calibrators), then we are not adding to the quantity of capital. If we are not expanding the quantity of our capital, then our fixed resources remain fixed and the production possibilities curve remains unchanged.- As such, tomorrow's production possibilities curve will look just like today's curve. There will be no growth and no shift in the curve.
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DEMAND AND SUPPLY DECREASE A simultaneous decrease in the willingness and ability of buyers to purchase a good at the existing price, illustrated by a leftward shift of the demand curve, and a decrease in the willingness and ability of sellers to sell a good at the existing price, illustrated by a leftward shift of the supply curve. When combined, both shifts result in a decrease in equilibrium quantity and an indeterminant change in equilibrium price.
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BEIGE MUNDORTLE
[What's This?]
Today, you are likely to spend a great deal of time browsing through a long list of dot com websites looking to buy either a set of steel-belted radial snow tires or a wall poster commemorating the 2000 Presidential election. Be on the lookout for crowded shopping malls.
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This isn't me! What am I?
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Al Capone's business card said he was a used furniture dealer.
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"Man is born to live, not to prepare for life. " -- Boris Pasternak, writer
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UNCTAD
United Nations Conference on Trade and Development
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