ECON 2030 Chapter : 30-Apr

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azuremammoth471

15 Mar 2019

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Aggregate supply: ability and willingness to sell for our gdp. If something changes to make something more desirable, you do more. As wages go up, then the profitability goes down. Less desirable so the sellers will sell less and the supply goes down: other input costs (supply shocks-) transportation, material imports etc. profitability goes down so they will sell less. Think about it gas prices doubled in seven months. So hard to pay that much gas so the other input costs go up: productivity (+) output per worker per hour. If it increases, then business have more to sell, and more total revenue, more profitability, and sell more: expected future aggregate price level (-) what is going to happen to our motivation today.

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In the money market, money supply is determined by the central bank, such as the Fed in the U.S. Because of this, money supply curve is usually vertical in the short run, while the money demand curve is downward sloping. The quantity demanded of money has an inverse relationship with the interest rate, but a direct relationship with both the price level and real GDP. Therefore, when the general price level increases, what will most likely happen?

		A. The money demand curve will shift to the right.
		B. The money demand curve will shift to the left.
		C. Both the interest rate and investment will rise.
		D. Only A and C.
		E. Only B and C.

Suppose workers become pessimistic about their future employment, which causes them to save more and spend less. If the economy is in the Keynesian range of the aggregate supply curve, then

		A. real GDP will fall and the price level will rise.
		B. real GDP will rise and the price level will fall.
		C. only the real GDP will fall.
		D. only the price level will fall.
		E. both real GDP and the price level will fall.

Which of the following will shift the aggregate demand curve to the left?

		A. The federal government increases spending for highways and bridges.
		B. Consumers expect an economic downturn.
		C. The federal government increases income taxes.
		D. Only A and C.
		E. Only B and C.

Which of the following will shift the aggregate supply curve to the left?

		A. All workers agree to a reduction in wages.
		B. The federal government increases the gasoline taxes.
		C. An improvement in technology raises labor productivity.
		D. Only A and C.
		E. Only B and C

There are also two kinds of deflation, the demand-pull deflation and cost-push deflation. Then which of the following is most likely to be true?

		A. An increase in AD will cause the demand-pull deflation.
		B. An increase in AS (or SRAS) will cause a cost-push deflation.
		C. Economists worry about the demand-pull deflation more than the cost-push deflation.
		D. Only A and C.
		E. Only B and C.

The short-run aggregate supply curve (SRAS) can be written as follows: Y = Yf + b (p - pe), where Y = real GDP, Yf = full-employment real GDP, p = price level, pe = expected price level, and b is a positive coefficient. The SRAS can be re-written as p = pe - (1/b)(Yf) + (1/b)(Y). Then which of the following is true?

		A. An increase in pe will cause a rightward shift of the SRAS curve.
		B. An increase in pe will cause a leftward shift of the SRAS curve.
		C. An increase in Yf will cause a leftward shift of the SRAS curve.
		D. Only A and C.
		E. Only B and C.

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11.) Which statement is false?
A. The minimum point of the AVC curve is the shutdown point.
B. The minimum point of the ATC curve is the breakeven point.
C. The firm's short-run supply curve runs up the marginal cost curve from the shutdown point all the way up the curve.
D. None of these statements are false.
12.) Which statement is false?
A. The firm's short-run supply curve runs along the MC curve from the shutdown point to the break-even point.
B. The MC curve intersects the ATC curve at the latter's minimum point.
C. Total revenue = price x output sold.
D. None of these statements are false.

26.) If the price were $25, this firm would _______ in the short run and _______ in the long run.
A. shut down; stay in business
B. shut down; go out of business
C. operate; stay in business
D. operate; go out of business

22.) If price is above the break-even point, in the short run the firm will _____ and in the long run the firm will _____.
A. shut down; stay in business
B. shut down; go out of business
C. operate; go out of business
D. operate; stay in business

8.) Which statement is true?
A. Because they are the only seller in the industry, the monopolist does not have to lower their price to sell more output.
B. Most firms in the United States are monopolies.
C. Unlike the perfect competitor, the monopolist does not necessarily produce at that output where MC = MR.
D. None of these statements are true.

15.) In the United States, natural monopolies
A. are easily converted to competitive industries.
B. are common in retailing.
C. are commonly regulated by governments.
D. are rarely regulated by governments.

21.) If a monopoly firm can sell its eighth unit of output for a price of $175, it may expect to receive a price __________ in order to sell more than eight units.
A. of more than $175
B. of $175
C. of less than $175
D. of $100

27.) Which statement is true?
A. Since the monopolist is the only firm in the industry, its profit is calculated differently from the way a perfect competitor would calculate profit.
B. The monopolist's demand curve and marginal revenue curve are the same line.
C. In the long run under monopoly, the most efficient output is the most profitable output.
D. A monopolist may lose money in the short-run

1. Menu costs are:

A) the costs of materials.

B) the cost of changing prices.

C) particularly low when inflation is high.

D) a reason that the inflation rate typically underestimates true price level changes.

2. A market basket costs $150 to buy in the base year and $60 to buy in year X.

A. the price index for year X is 250.

B. Year X probably occurred after the base year.

C. Year X is the base year.

D. the price index for year X is .4 or 40%.

3. A traditional expansionary gap is created when the aggregate demand curve moves to the:

A. right of the natural rate of output; inflation rises and unemployment falls.

B. left of the natural rate of output; inflation falls and unemployment rises.

C. right of the natural rate of output; inflation falls and unemployment rises.

D. left of the natural rate of output; inflation rises and unemployment falls.

4. Consumers change their purchases and move ALONG the same consumption function when:

A) Their income changes

B) Their tastes change

C) The price level changes

D) All of the above.

5. If MPC is .75 then if consumer income rises by $10,000 we would predict that consumption will:

A. rise by $7500 while savings fall by $2500.

B. fall by $2500 while savings rise by $7500.

C. rise by $7500 while savings rise by $2500.

D. fall by $2500 while savings fall by $7500.

6. Autonomous consumption is

A. that part of consumption that rises or falls with changes in disposable income.
B. the minimum that people will spend even if disposable income is zero.
C. the amount people will spend when the C line crosses the 45-degree line.
D. the amount people will spend when income is equal to consumption.

7. A low rate of investment could be explained by a

A. low rate of saving and low-interest rates.
B. low rate of saving and high-interest rates.
C. high rate of saving and low-interest rates.
D. high rate of saving and high-interest rates.

8. Mr. A makes $40,000 a year; Ms. B makes $20,000 a year. Mr. A pays $6,000 in taxes while Ms. B pays $4,000 in taxes. Which of the following is true?

A. Taxes are progressive because Mr. A pays a higher dollar amount in taxes than Ms. B

B. Taxes are neutral because Mr. A makes more money before and after taxes than Ms. B.

C. Taxes are regressive because Mr. A pays a lower tax rate than Ms. B.

D. Taxes are progressive because Ms. B pays a lower dollar amount in tax.

9. The 45 degree line in the full AE model represents

A. all points where C = Y.

B. all points where AE = Y

C. all points where C + I = G + Xn

D. all points where C = I + G + Xn

10. International trade:

A. Allows countries to specialize in the goods at which they are best at producing.

B. can increase the goods and services both trading partners have.

C. can be unbalanced where one partner exports more to the other than the other way around.

D. all of the above.

11. If AD rises in the short run:

A. it pushes up the price level.

B. it decreases national output.

C. increases full employment.

D. all of the above.

12. We cut down trees and sell the timber for $8000. The timber is sawn up into lumber that sells for $18,000. The lumber is used to build furniture that sells to consumers for $30,000.

A. $30,000 goes into GDP.

B. $4000 goes into GDP.

C. $56,000 goes into GDP.

D. $22,000 goes into GDP.

13. The long-run annual growth rate of the U.S. economy tends to be about:

A. 1% or less.

B. 2%

C. 5%

D. 10% or more.

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ECON 2030 Chapter : 30-Apr

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