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Top 10 AP Econ Mistakes
Top 10 AP Econ Mistakes
Overview
Overview
11
11
The Graph (not required for part b)
The Graph (not required for part b)
10
10
The Graph (not required for part c)
The Graph (not required for part c)
The Graph (not required for part c)
The Graph (not required for part c)
The Graph (not required for part c)
The Graph (not required for part c)
9. Macro 2 (c)
9. Macro 2 (c)
The Graph
The Graph
8. Macro 1 (b)
8. Macro 1 (b)
7. Micro 2 (b)
7. Micro 2 (b)
Answer: Mandy should purchase more fudge and less coffee because the
Answer: Mandy should purchase more fudge and less coffee because the
6. Micro 1 (b) iii
6. Micro 1 (b) iii
5. Overseas Macro 1 (d) ii
5. Overseas Macro 1 (d) ii
4. Macro 2 (b)
4. Macro 2 (b)
3. Macro 1 (e)
3. Macro 1 (e)
2. Macro 2 (a) ii
2. Macro 2 (a) ii
1. Micro 1 (b) i
1. Micro 1 (b) i

Презентация на тему: «Top 10 AP Econ Mistakes». Автор: David. Файл: «Top 10 AP Econ Mistakes.ppt». Размер zip-архива: 53 КБ.

Top 10 AP Econ Mistakes

содержание презентации «Top 10 AP Econ Mistakes.ppt»
СлайдТекст
1 Top 10 AP Econ Mistakes

Top 10 AP Econ Mistakes

2008

2 Overview

Overview

11. Compare MSC, MSB 10. Tax ? ?MC ? ?Q 9. Foreign Exchange Market with Shift 8. Automatic Stabilizers 7. Optimal Consumption Rule 6. Number of Firms Can’t Increase in SR

5. Currency Appreciation from Real Interest Rate ? 4. Current Account Changes Resulting from Real Income Changes 3. Link between Growth and Capital 2. Elements of the Current and Capital Account 1. Effects of a Lump Sum Subsidy

3 11

11

Overseas Micro 2 (b)

Question: [In a competitive market for vaccinations, which benefit consumers as well as others …] Is marginal social cost greater than, less than, or equal to marginal social benefit at the market output? Answer: MSC < MSB 32% Answered correctly

4 The Graph (not required for part b)

The Graph (not required for part b)

$/unit

S = MSC

MSB

D

Qmarket

Quantity of Vaccinations

5 10

10

Overseas Micro 2 (c)

Question: How will a tax on producers of the vaccines affect the deadweight loss that you identified in part (a) (iii)? Explain. Answer: Deadweight loss increases (64 percent answered correctly) because the tax increases costs and causes output of the vaccine to fall. (31% percent answered correctly)

6 The Graph (not required for part c)

The Graph (not required for part c)

$/unit

$/unit

MC

S

ATC

SMB

D

Q1

Qs

Quantity

Quantity

7 The Graph (not required for part c)

The Graph (not required for part c)

MC + T

S + T

$/unit

$/unit

MC

S

ATC + T

ATC

SMB

D

Q2

Q1

Qs

Quantity

Quantity

8 The Graph (not required for part c)

The Graph (not required for part c)

S after exit

MC + T

S + T

$/unit

$/unit

MC

S

ATC + T

ATC

SMB

D

Q3

Q2

Q1

Qs

Quantity

Quantity

9 9. Macro 2 (c)

9. Macro 2 (c)

Question: Using a correctly labeled graph of the foreign exchange market for the U.S. dollar, show how an increase in U.S. firms’ direct investment in India will affect the value of the dollar relative to the rupee. Answer: In the dollar market, the supply of dollars will increase as dollars are exchanged for rupees, shifting the dollar supply curve to the right and decreasing the value of the dollar. 33% drew the graph correctly 29% shifted S correctly

10 The Graph

The Graph

rupees/dollar

Supply

New Supply

e

e’

Demand

Q

Q’

Quantity of Dollars

11 8. Macro 1 (b)

8. Macro 1 (b)

Question: [Starting with a balanced budget] What is the impact of the recession on the federal budget? Answer: There will be a deficit because government spending / transfer payments increase and/or taxes fall due to automatic stabilizers (for example, unemployment insurance). Discretionary fiscal or monetary policy not accepted, for such answers violate the ceteris paribus assumption. 81% correctly indicated a deficit 27% indicated awareness of automatic stabilizers

12 7. Micro 2 (b)

7. Micro 2 (b)

Question: Should Mandy purchase more fudge and less coffee, purchase more coffee and less fudge, or maintain her current consumption? Explain.

Fudge

Coffee

Quantity

10 lbs

7 lbs

Price per lb.

$2

$4

MU of last lb.

12

20

13 Answer: Mandy should purchase more fudge and less coffee because the

Answer: Mandy should purchase more fudge and less coffee because the

MU/$ of fudge (6) is greater than the MU/$ of coffee (5). 44% said more fudge 26% gave the correct reason

14 6. Micro 1 (b) iii

6. Micro 1 (b) iii

Question: Indicate the effect the lump-sum subsidy to firms would have on the number of firms in the industry in the short run. Answer: No effect. (The number of firms won’t increase in the short run.) 25 percent answered correctly

15 5. Overseas Macro 1 (d) ii

5. Overseas Macro 1 (d) ii

Question: Given the [increase] in the real interest rate in part (c), what will be the effect on the value of Z’s currency? Answer: Z’s currency will increase in value (because the higher real interest rate attracts more financial investment in Z, thus increasing the demand for Z’s currency and decreasing the supply). 23% answered correctly

16 4. Macro 2 (b)

4. Macro 2 (b)

Question: How would an increase in the real income of the United States affect the U.S. current account balance? Explain. Answer: The current account balance will decrease or move toward a deficit (15 percent answered correctly) because the increase in real income causes imports to increase relative to exports. (33 percent answered correctly)

17 3. Macro 1 (e)

3. Macro 1 (e)

Question: How will the real interest rate [increase] in part (d) affect the growth rate of the U.S. economy? Answer: The growth rate will fall (49 percent answered correctly) because a higher real interest rate discourages investment and as a result, capital formation will decrease. (12 percent answered correctly)

18 2. Macro 2 (a) ii

2. Macro 2 (a) ii

Question: Two major subaccounts in the balance of payments accounts are the current account and the capital account. In which of these subaccounts will the following be recorded? (ii) A U.S. manufacturer buys computer equipment from Japan. Answer: Current Account 10 percent answered correctly

19 1. Micro 1 (b) i

1. Micro 1 (b) i

Question: Indicate the effect the lump-sum subsidy to all apple growers would have on a particular firm’s quantity of output in the short run. Explain. Answer: The lump-sum subsidy will have no effect on the firm’s quantity of output in the short run (23 percent answered correctly) because it does not affect MC or MR, which determine the quantity of output. 9 percent answered correctly

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