Q: Suppose in Gadgetland, the price of an iPad increases from $$10 to 18 $$and the price of an iPhone increases from $$5 to 8$$, with the market basket consisting of 4 iPads and 4 iPhones. What is the inflation rate between Year 1 and Year 2 using the CPI formula?

$$\frac{(4 \times 18 + 4 \times 8) - (4 \times 10 + 4 \times 5)}{4 \times 10 + 4 \times 5} \times 100 = 73\%$$

Q: Which equation correctly represents the expected rate of inflation as shown in the provided formula image?

$$\pi_t^e = \left( \frac{P_{t+1}^e - P_t}{P_t} \right) \times 100$$

Q: If the nominal GDP in Year 2 is $$172 and the real GDP in Year 2 is 100$$, what is the GDP deflator for Year 2?

$$\frac{172}{100} \times 100 = 172$$

Q: If the price level in Year 1 is 100 and in Year 2 is 172, what is the inflation rate between the two years?

$$\frac{172 - 100}{100} \times 100 = 72\%$$

Question 1

Which of the following best describes the difference between GDP and GNP?

Accepted Answer

GDP measures output produced by factors located in a country, while GNP measures output produced by domestic factors of production.

Question 2

Suppose in Gadgetland, the price of an iPad increases from $$10 to 18 $$and the price of an iPhone increases from $$5 to 8$$, with the market basket consisting of 4 iPads and 4 iPhones. What is the inflation rate between Year 1 and Year 2 using the CPI formula?

Accepted Answer

$$\frac{(4 	imes 18 + 4 	imes 8) - (4 	imes 10 + 4 	imes 5)}{4 	imes 10 + 4 	imes 5} 	imes 100 = 73\%$$

Question 3

Which equation correctly represents the expected rate of inflation as shown in the provided formula image?

Accepted Answer

$$\pi_t^e = \left( \frac{P_{t+1}^e - P_t}{P_t} ight) 	imes 100$$

Question 4

If the nominal GDP in Year 2 is $$172 and the real GDP in Year 2 is 100$$, what is the GDP deflator for Year 2?

Accepted Answer

$$\frac{172}{100} 	imes 100 = 172$$

Question 5

Which of the following is NOT a component of GDP using the expenditure approach?

Accepted Answer

Transfer Payments (T)

Question 6

According to the circular flow of economic activity, which of the following best describes the flow of money and goods between households and firms?

Accepted Answer

Firms provide goods and services for consumption to households, and households provide money payments for goods and services.

Question 7

Which of the following is a correct interpretation of the real interest rate?

Accepted Answer

The real interest rate tells how fast the purchasing power of an asset rises.

Question 8

If the nominal interest rate is 6% and the expected inflation rate is 2%, what is the expected real interest rate?

Accepted Answer

$$6\% - 2\% = 4\%$$

Question 9

Which of the following is a property of a good economic theory?

Accepted Answer

It must have testable implications that can be compared with real-world data.

Question 10

Which of the following best explains why the CPI might overstate the true rate of inflation?

Accepted Answer

The CPI uses a fixed basket of goods, which does not account for consumers substituting cheaper goods.

Question 11

Refer to the graph of U.S. inflation rates from 1960–2021. During which period did the U.S. experience the highest inflation rates?

Accepted Answer

Late 1970s to early 1980s

Question 12

Refer to the graph of nominal and real interest rates from 1960–2021. What typically happens to the real interest rate when inflation rises sharply, holding the nominal rate constant?

Accepted Answer

The real interest rate falls.

Question 13

Which of the following is NOT a commonly watched market interest rate?

Accepted Answer

Prime rate

Question 14

If a country’s GDP is $$1,000 billion, its GNP is 1$$,050 billion, what are its net factor payments from abroad (NFP)?

Accepted Answer

$$50$$ billion

Question 15

Which of the following best describes the GDP deflator?

Accepted Answer

A measure of the average level of prices of all goods and services included in GDP.

Question 16

Which of the following is a flow variable?

Accepted Answer

GDP

Question 17

If the price level in Year 1 is 100 and in Year 2 is 172, what is the inflation rate between the two years?

Accepted Answer

$$\frac{172 - 100}{100} 	imes 100 = 72\%$$

Question 18

Which of the following is included in the calculation of national income using the income approach?

Accepted Answer

Compensation of employees, corporate profits, and taxes on production and imports

Question 19

Which of the following best explains why government action may be necessary in markets?

Accepted Answer

Government action is necessary to overcome market failures.

Macroeconomics: Measurement, Structure, and Key Indicators

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