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INFRASTRUCTURE: Capital used for transportation, communication, and energy delivery. This is often termed social overhead capital because it provides the basic capital foundation needed by an economy before business capital can adequately do its job.

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Lesson 9: Macro Basics | Unit 1: The Macroeconomy Page: 3 of 16

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  • The basic definition of an economy, which is an interactive system of production, distribution, and consumption of resources, goods and services.
  • The four macroeconomic sectors of and their expenditures on total production: (a) the household sector and consumption, (b) the business sector and investment, (c) the government sector and government purchases, and (d) the foreign sector and net exports.
  • The primary economic functions of the household sector, which is consumption, the business sector, which is production, and the government sector, which is regulating economic activity.
  • The difference between microeconomics, the study of the parts of the economy, and macroeconomics, the study of the aggregate economy.


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AGGREGATE SUPPLY DECREASE, SHORT-RUN AGGREGATE MARKET

A shock to the short-run aggregate market caused by a decrease in aggregate supply, resulting in and illustrated by a leftward shift of the short-run aggregate supply curve. A decrease in aggregate supply in the short-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 can be greater or less than full-employment real production.

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GRAY SKITTERY
[What's This?]

Today, you are likely to spend a great deal of time watching infomercials trying to buy either a birthday greeting card for your grandfather or a weathervane with a cow on top. Be on the lookout for neighborhood pets, especially belligerent parrots.
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
"The time to repair the roof is when the sun is shining."

-- John F. Kennedy, 35th U. S. president

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Tokyo Grain Exchange (Japan)
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