Intro to Macroeconomics Sample Exam
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Questions and Answers

What is the primary lesson conveyed by the circular flow diagram in macroeconomics?

Total income in the economy must always equal total spending.

If real GDP in 2010 using 2009 prices is higher than nominal GDP of 2010, what can be inferred about prices in 2010 compared to the base year?

Prices in 2010 are lower than prices in the base year.

In the context of the private saving function, what is the relationship between household consumption and income?

C = 200 + 0.2Y.

How does an increase in income affect consumption, given a constant marginal propensity to save?

<p>Consumption increases, but by a smaller amount than the increase in income.</p> Signup and view all the answers

What is the role of net taxes in determining the aggregate consumption function?

<p>Net taxes reduce disposable income, which in turn affects consumption.</p> Signup and view all the answers

How does the aggregate demand function relate to the equilibrium GDP in a macroeconomic model?

<p>The aggregate demand function determines the equilibrium GDP, where the demand for goods and services equals the supply.</p> Signup and view all the answers

What is the implication of the circular flow diagram in a macroeconomic model?

<p>Total income in the economy must always equal total spending.</p> Signup and view all the answers

If nominal GDP in 2010 is lower than real GDP in 2010 using 2009 prices, what can be inferred about prices in 2010?

<p>Prices in 2010 are lower than prices in the base year.</p> Signup and view all the answers

What is the household's consumption function if the private saving function is represented in Figure 8.1?

<p>C = 200 + 0.2Y</p> Signup and view all the answers

If the MPS equals 0.25, and consumption is $60,000 when income is $90,000, what is consumption when income increases to $100,000?

<p>$67,500</p> Signup and view all the answers

What is the aggregate consumption function if C = 100 + 0.6Yd, and income is $1,000 with net taxes of $300?

<p>$580</p> Signup and view all the answers

What is the equilibrium GDP for the Italian economy with the given data: C = 300 + 0.8Yd, G = 400, T = 200, and I = 200?

<p>$1,000</p> Signup and view all the answers

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