Question 1

Which of the following best describes the two main approaches used to understand the business cycle?

Accepted Answer

The mainstream approach and the real business cycle (RBC) approach

Question 2

According to the mainstream business cycle theory, which of the following is NOT one of the four theories included in its approach?

Accepted Answer

Real Business Cycle (RBC) theory

Question 3

Which of the following best summarizes the main idea behind the mainstream business cycle theory?

Accepted Answer

Fluctuations in aggregate demand and supply, often due to shocks or policy changes, drive the business cycle.

Question 4

Which of the following is a characteristic of the Real Business Cycle (RBC) theory?

Accepted Answer

It attributes business cycle fluctuations to real shocks, such as changes in technology or productivity.

Question 5

In the context of the RBC theory, what is the 'RBC impulse'?

Accepted Answer

A real shock, such as a sudden change in technology or productivity, that initiates fluctuations in the economy.

Question 6

According to the RBC theory, what is the key decision made in the labor market?

Accepted Answer

How much labor to supply based on real wage rates and productivity.

Question 7

How does the RBC theory view the role of money in the business cycle?

Accepted Answer

Money is neutral and does not play a significant role in causing business cycles.

Question 8

Which of the following best describes the RBC mechanism in the loanable funds market?

Accepted Answer

A positive productivity shock increases the demand for loanable funds, raising the real interest rate and investment.

Question 9

Suppose a new technology increases productivity in the economy. According to the RBC theory, what is the most likely effect on employment and output?

Accepted Answer

Both employment and output will increase as firms demand more labor to utilize the new technology.

Question 10

Which of the following is a common criticism of the RBC theory?

Accepted Answer

It underestimates the importance of monetary and demand-side factors in business cycles.

Question 11

Which of the following is a defense of the RBC theory against its critics?

Accepted Answer

Empirical evidence shows that real shocks, such as oil price changes and technological innovations, have significant effects on output and employment.

Question 12

A country experiences a sudden increase in oil prices, which raises production costs across many industries. According to the mainstream business cycle theory, which of the following is the most likely short-run effect?

Accepted Answer

Aggregate supply decreases, leading to higher prices and lower output.

Question 13

Which equation best represents the equilibrium in the loanable funds market as used in the RBC theory?

Accepted Answer

$$S = I$$

Question 14

If the real interest rate increases due to a positive productivity shock, what is the expected effect on saving and investment according to the RBC theory?

Accepted Answer

Both saving and investment will increase.

Question 15

Which of the following scenarios best illustrates the RBC mechanism in the labor market?

Accepted Answer

A negative technology shock reduces the marginal product of labor, leading to lower real wages and decreased labor supply.

Question 16

Which of the following statements about the role of expectations in the mainstream business cycle theory is correct?

Accepted Answer

Expectations can amplify or dampen the effects of shocks on aggregate demand and supply.

Question 17

Suppose the government implements a policy that increases aggregate demand. According to the mainstream business cycle theory, what is the likely short-run effect on output and unemployment?

Accepted Answer

Output increases and unemployment decreases.

Question 18

Which of the following equations is most relevant for analyzing the impact of monetary policy in the mainstream business cycle theory?

Accepted Answer

$$M 	imes V = P 	imes Y$$

Question 19

A major criticism of the mainstream business cycle theory is that it:

Accepted Answer

May overemphasize the role of demand-side shocks and understate the importance of real shocks.

Question 20

Which of the following best describes the difference between the mainstream and RBC approaches to the business cycle?

Accepted Answer

The mainstream approach emphasizes demand and monetary shocks, while the RBC approach focuses on real shocks such as technology.

Ch. 12.1: Understanding the Business Cycle in Macroeconomics

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