Question 1

Which of the following best describes the primary focus of macroeconomics?

Accepted Answer

The study of economic activity and prices in the overall national or regional economy.

Question 2

In macroeconomic modeling, what is the difference between endogenous and exogenous variables?

Accepted Answer

Endogenous variables are explained within the model, while exogenous variables are taken as given.

Question 3

Suppose the government increases spending by $500 billion while revenues remain unchanged. According to the budget identity, what happens to the budget deficit?

Accepted Answer

The budget deficit increases by $500 billion.

Question 4

Which of the following is a plausible reason why macroeconomists use equations and graphs in their models?

Accepted Answer

To ensure the logic of economic models is sound and to make models more intuitive.

Question 5

Based on the CBO projections, if federal outlays are projected to be $$7.4$$ trillion and revenues are $$5.6$$ trillion in 2026, what is the projected budget deficit?

Accepted Answer

$$1.9$$ trillion

Question 6

If the debt-to-GDP ratio rises significantly over time, which of the following is a potential concern for policymakers?

Accepted Answer

It may signal an increasing debt burden relative to the size of the economy.

Question 7

Which of the following policy combinations could be used to reduce a high debt-to-GDP ratio?

Accepted Answer

Reduce government spending and/or increase taxes.

Question 8

China’s rapid economic growth since the early 2000s can be attributed to all of the following EXCEPT:

Accepted Answer

Maintaining a strictly closed economy with minimal foreign trade.

Question 9

Which of the following statements about income inequality is correct?

Accepted Answer

The Gini coefficient measures the extent to which income distribution deviates from perfect equality.

Question 10

Suppose the Gini coefficient in Country A is $$0.25$$ and in Country B is $$0.55. $$What does this imply?

Accepted Answer

Country B has greater income inequality than Country A.

Question 11

Which of the following is a potential economic consequence of failing to address climate change?

Accepted Answer

More extreme weather events that can disrupt economic activity.

Question 12

If the U.S. government wants to stabilize prices and reduce inflation, which macroeconomic policy tool is most directly relevant?

Accepted Answer

Increasing the policy interest rate.

Question 13

Which of the following best explains why income inequality can weaken consumer spending?

Accepted Answer

Higher income households tend to save a larger share of their income, reducing overall consumption.

Question 14

Given the following equation for the debt-to-GDP ratio: $$Debt	ext{-}to	ext{-}GDP = \frac{	ext{Total Public Debt}}{	ext{GDP}} 	imes 100$$, if a country has a public debt of $$20$$ trillion and a GDP of $$25$$ trillion, what is its debt-to-GDP ratio?

Accepted Answer

$$80\%$$

Question 15

Which of the following is NOT a typical goal of macroeconomic policy?

Accepted Answer

Maximize income inequality.

Question 16

If the U.S. government runs a persistent budget deficit, what is the likely long-term effect on public debt?

Accepted Answer

Public debt will increase over time.

Question 17

Which of the following policies could help reduce income inequality?

Accepted Answer

Progressive taxation and increased public education spending.

Question 18

If global temperatures rise by $$2.6^{\circ}C$ to 3.1$$^{\circ}$$C$$ above pre-industrial levels, which of the following is a likely consequence?

Accepted Answer

More extreme weather events and threats to coastal areas.

Question 19

Which of the following best describes the relationship between economic growth and income inequality, as discussed in macroeconomics?

Accepted Answer

Income inequality can both limit growth and be increased by growth, depending on other factors.

Lesson 1: The Policy and Practice of Macroeconomics – Study Notes

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