The Short Run: Goods Market

From the study guide

Course Outline

  1. GDP Expenditure Components
  2. Goods Demand and Consumption
  3. Equilibrium Output and Multiplier
  4. Investment, Saving, and Equilibrium
  5. Thrift and Collective Outcomes
  6. Limits of Government Policy

1. GDP Expenditure Components

Key Concepts & Definitions

  • Consumption: The goods and services purchased by consumers.
  • Investment: Economic investment (I) consists of fixed investment and inventory investment, not financial investment.
  • Government spending: Government purchases of goods and services by federal, state, and local governments, excluding transfers.
  • Fixed investment: Fixed investment is the sum of non-residential investment and residential investment.
  • Inventory investment: Inventory investment is the difference between goods produced and goods sold in a given year.
  • Exports: Exports (X) are purchases of national goods and services by foreigners.
  • Imports: Imports (IM) are purchases of foreign goods and services by national agents, including consumers, corporations, and the public sector.
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Practice quiz preview

1. When prices and wages are fixed, what sequence describes how a change in demand can affect economic activity from year to year?

2. A firm purchases new equipment to expand its productive capacity. Which GDP expenditure component does this purchase represent?

3. In a closed economy with no exports or imports, which expression gives total goods demand?

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Flashcard preview

How do production, income, and demand affect one another year to year?

Demand changes affect production when prices and wages are fixed; production changes income, which changes demand.

What does consumption (C) include?

Goods and services purchased by consumers.

What is total goods demand in a closed economy?

Z≡C+I+GZ \equiv C + I + G

What determines output in the goods-demand model?

Demand determines output.

What condition defines goods-market equilibrium in a closed economy?

Y=Z=C+I+GY = Z = C + I + G.

What formula gives equilibrium output with linear consumption?

Y=11−c1(c0+I+G−c1T)Y = \frac{1}{1-c_1}(c_0 + I + G - c_1T).

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Frequently asked questions

What does the The Short Run: Goods Market study guide cover?

It covers the core concepts of The Short Run: Goods Market, organized by topic with the key definitions, explanations and takeaways, so it's easier to learn and remember.

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The practice quiz has 10 multiple-choice questions, each with an explanation. Use it to check what you know and find your gaps.

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