ECON UN1105 Lecture Notes - Lecture 6: Macroeconomic Model, Root Mean Square, Business Cycle

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21 Apr 2020

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Aggregate expenditure: total spending in the economy, the sum of , consumption. Spending by households on goods & services (such as cars, or haircuts): planned investment. Planned spending by rms on capital goods (ex: factories, machine tools). Planned spending by rms on research and development. Planned spending by households and rms on new houses: government purchases. Spending by local, state, and federal governments on goods and services (such as aircraft carriers, bridges, and salaries of fbi agents): net exports. Gdp: the value of all the nal goods and services produced in an economy during a particular year, real gdp >corrects nominal gdp for the effects of in ation. Businesses will sell more goods than they expected to (causing inventories to decrease): when aggregate expenditure < gdp, >there is an unplanned increase in inventories, gdp and total employment will decline, total amount of spending in the economy < production.

Related Questions

Question 1

Which of the following describes the relationship between the change in inventories and aggregate expenditure?

A.	Aggregate expenditure equals the change in inventories minus GDP.
B.	The change in inventories equals GDP divided by aggregate expenditures.
C.	Aggregate expenditures equals GDP divided by the change in inventories.
D.	Aggregate expenditures equals GDP minus the change in inventories.
E.	The change in inventories equals GDP multiplied by aggregate expenditure.

1 points

Question 2

Suppose the marginal propensity to consume is 0.80 and taxes decrease by $10 billion. Which of the following is true?

A.	Disposable income and consumption fall by $10 billion
B.	Disposable income and consumption rise by $10 billion
C.	Disposable income rises by $10 billion and consumption rises by $8 billion
D.	Disposable income falls by $10 billion and consumption falls by $8 billion
E.	Disposable income rises by $10 billion and consumption falls by $8 billion

1 points

Question 3

If aggregate expenditure at a particular level of income is less than output,

A.	output will increase
B.	output will decrease
C.	output will remain the same
D.	output will rise slightly and then level off
E.	we cannot determine what will happen to output

1 points

Question 4

The consumption function

A.	illustrates the relationship between real disposable income and real consumption spending
B.	illustrates the relationship between the price level and real consumption spending
C.	is the relationship between productivity and real consumption spending
D.	shows how real consumption increases when real disposable income decreases
E.	illustrates the relationship between real consumption spending and employment

1 points

Question 5

The focus of the short-run macro model is on the role of

A.	spending in explaining economic fluctuations
B.	labor in explaining economic fluctuations
C.	financial markets in explaining economic fluctuations
D.	output in explaining economic fluctuations
E.	resources in explaining economic fluctuations.

1 points

Question 6

If the output level is such that the aggregate expenditure line lies below the 45-degree line, which of the following is true?

A.	Aggregate expenditure is greater than output, so inventories will increase and output will be raised.
B.	Aggregate expenditure is greater than output, so inventories will decrease and output will be increased.
C.	Aggregate expenditure is less than output, so inventories will decrease and output will be raised.
D.	Aggregate expenditure is less than output, so inventories will increase and output will be lowered.
E.	Aggregate expenditure is greater than output, so inventories will increase and output will be lowered.

1 points

Question 7

If the marginal propensity to consume is 0.7, the expenditure multiplier is

A.	7.0
B.	0.7
C.	3.0
D.	3.3
E.	not determinable without additional information.

1 points

Question 8

Aggregate expenditure is the sum of

A.	all types of spending by households and firms
B.	spending and savings by households
C.	spending by households and governments on final goods and services
D.	spending by households, government, firms, and foreigners on final goods and services
E.	all spending and saving by households, firms, and governments

1 points

Question 9

If the marginal propensity to consume is 0.5 and disposable income increases by $10,000, by how much will consumption spending increase?

A.	$10,000
B.	$500
C.	$50
D.	$5,000
E.	$9,524

1 points

Question 10

When real consumption expenditure is plotted against real disposable income the resulting relationship is

A.	very weak.
B.	virtually flat .
C.	positive and very close to linear.
D.	negative and very close to linear.

indigognu668

Urgent! I need help with these questions, please.

1- The GDP of Mexico in current US dollars according to the World Bank was the US $0.683 Trillion in 2000 and had grown to the US $1.151 Trillion in 2015. Calculate the GDP percentage change from 2000 to 2015. Show your work.

2- In the expenditure approach to GDP, government purchases include all spending on goods, services, and transfer payments by government agencies.

A- True
B- False

3- The economy is considered at full employment when:
A. the unemployment rate is zero.
B. structural unemployment is zero.
C. cyclical unemployment is zero.
D. frictional unemployment is zero.

4- Which of the following would be considered 'private investment' in GDP?
A. A computer printer purchased by a law firm
B. A computer printer purchased by a student
C. A computer printer purchased by the St. Louis police department
D. All of these

5- Goods that are not sold during the year are included as part of that year's investment in calculating GDP.
A-True
B- False

6- When the nominal GDP has increased in the United States, we know that:

A- the U.S. price level has increased
B- the U.S. price level has decreased.
C- U.S. output of goods and services has increased.
D- Either U.S. output of goods and services or the price level has increased.
E- Both U.S. output of goods and services and the price level have increased.

7- Fill in the blank: GDP is the total value of ________ produced for the marketplace during a given year, within the nation's borders

A- all goods
B- all goods and services
C- all final goods
D- all final goods and services
E- all final and intermediate goods and services

8- Structural unemployment is considered a microeconomic problem.

A- True
B- False

9- The unemployment rate in the United States is defined as the number of unemployed divided by _____.
A- the U.S. population
B- the number of employed plus the number of unemployed
C- the U.S. population over the age of 16
D- the number of employed
E- the number of employed minus the number of unemployed

10- If Americans buy $500 billion worth of foreign goods and services, and foreigners buy $200 billion worth of American goods and services, then net exports for the United States are equal to _____.
A. $100 billion
B. $200 billion
C. -$300 billion
D. $500 billion
E. $700 billion

11- Discouraged workers are people who used to work, but no longer want a job.

A- True
B- False

12- In the expenditure approach, GDP is equal to _____.

A. C + I + G + exports - imports

B. C + I + G

C. C + I + G + exports

D. C + I + G + imports

E. C + I + G + exports + imports

13- U.S. GDP measures the production of goods and services by Americans, regardless of which country they reside in when they produce those goods and services.

A- True
B- False

roseguinea-pig543

41.Which of the following is a valid statement about the Keynesian and classical models of the macroeconomy?

A. Fiscal policy will affect output in the Keynesian model, but only the price level in the classical model.

B. The economy adapts quickly to demand shocks under the Keynesian model, but not under the classical model.

C. A sharp decrease in the value of a nation's currency will lead to higher price levels in the Keynesian model, but not in the classical model.

D. Increases in autonomous expenditure will increase aggregate demand in the Keynesian model, but not in the classical model.

E. An increase in the productive capacity of an economy will result in greater output in both the Keynesian and classical models.

42. Suppose the government spends $500M on a project that has absolutely no value to the country. Which statement about this project is correct?

A. If taxes were raised $500M to fund this project, the Keynesian model predicts that this will have no net effect on output in the economy.

B. If the government raised the money for this project by printing $500M in bonds and selling them to the Fed, the effect is exactly the same as if they sold the bonds to households.

C. The project will increase aggregate supply because it will increase the total quantity of goods and services supplied in the economy.

D. If the marginal propensity to save in the economy is equal to 0.25, the Keynesian model predicts that this project will result in a $2000M increase in GDP.

E. Under the assumptions of the classical model, the result of this project will be increased in both the price level and equilibrium GDP.

43. A particular economy has a consumption of $400M, a government deficit of $100M, taxes of $250M, and income of $800M. Which of the following statements must be true?

A. If the investment is zero, there is no foreign trade imbalance.

B. If the trade surplus is $50M, the investment will be equal to $100M.

C. If the capital account surplus is $50M, the investment will be equal to $100M.

D. If the trade surplus is $100M, there will be an investment.

E. None of the above statements is necessarily true.

44. Which piece of information would be least useful in trying to predict the effect of a $700M increase in government spending on equilibrium GDP?

A. marginal propensity to save

B. The slope of the aggregate supply curve

C. Whether taxes are raised to pay for the spending increase

D. The current level of structural unemployment

E. Whether the bonds used to finance the spending were sold to households or to the Fed

45.Which of the statements relating to full employment and full capacity is false?

A. At full employment there is no frictional unemployment; at full capacity, there is no structural unemployment.

B. The full-employment level of output is less than the full capacity level of output.

C. At full employment there is no cyclical unemployment; at full capacity, there is no frictional unemployment.

D. A government spending increase will result in increased output and price levels at full employment, but only increased price levels at full capacity.

E. In the long run, an economy that starts at full capacity will move to full employment.

46. What would be the effect of a law requiring that government spending equal tax revenues in each year?

A. Fiscal policy would be completely eliminated as a tool to control the macroeconomy.

B. Monetary policy would be completely eliminated as a tool to control the macroeconomy.

C. Fluctuations in GDP would become less severe.

D. The government spending multiplier would be effectively set to 1.0.

E. The marginal propensity to consume would be cut in half.

47.The total value of T-bonds, including T-notes and T-bills, in existence at any point in time, is:

A. The federal government spending deficit.

B. The trade deficit.

C. Less than government spending.

D. Necessarily less than GDP.

E. The national debt.

48. Which of the following would be a valid statement about a government plan to eliminate a trade deficit

A. A decrease in the trade deficit will decrease investment in the country.

B. An effective strategy would be to increase the money supply and increase the value of the national currency.

C. An effective strategy would be to increase interest rates and increase the value of the national currency.

D. This could be achieved through dramatically increasing aggregate supply.

E. The increase in net exports will result in a decrease in aggregate demand.

49. Crowding out has the effect(s) of:

A. Reducing the effectiveness of monetary policy if crowding out occurs in financial markets.

B. Decreasing the value of a nationâs currency if the crowding out occurs in financial markets.

C. Increasing the effectiveness of fiscal policy if the crowding out occurs in financial markets and increasing the effectiveness of monetary policy if the crowding out occurs in product markets.

D. Decreasing the effectiveness of fiscal policy if the crowding out occurs in financial markets and decreasing the effectiveness of both fiscal and monetary policy if the crowding out occurs in product markets.

E. Increasing the price of government bonds if the crowding out occurs in financial markets.

50. Which of the following will make crowding out in credit markets more severe?

A. A steep investment demand curve

B. A global credit market

C. Tax increases

D. A steep supply curve in the loanable funds market

E. None of the above

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ECON UN1105 Lecture Notes - Lecture 6: Macroeconomic Model, Root Mean Square, Business Cycle

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