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United StatesEconomics

Unit 4: Financial Sector

7 dot points across 7 inquiry questions. Click any dot point for a focused answer with worked past exam questions where available.

How do banks create money through fractional-reserve lending?

Topic 4.4 Banking and the Expansion of the Money Supply: explain fractional-reserve banking, use a T-account balance sheet, and calculate the money multiplier and maximum change in the money supply.
A focused answer to AP Macroeconomics Topic 4.4, covering fractional-reserve banking, required and excess reserves, the T-account balance sheet, the money multiplier, and how to calculate the maximum change in the money supply from a new deposit, with full worked calculations.
12 min answer →

What is money, what does it do, and how is the money supply measured?

Topic 4.3 Definition, Measurement, and Functions of Money: state the functions of money, distinguish commodity and fiat money, and describe the money supply measures M1 and M2.
A focused answer to AP Macroeconomics Topic 4.3, covering the three functions of money, commodity versus fiat money, the characteristics of good money, and the money supply measures M1 and M2 with what each includes, with a worked question.
10 min answer →

What are financial assets, and how do their prices and interest rates relate?

Topic 4.1 Financial Assets: define financial assets, distinguish stocks, bonds, and money, and explain the inverse relationship between bond prices and interest rates.
A focused answer to AP Macroeconomics Topic 4.1, covering financial assets, the differences between money, stocks, and bonds, the trade-off between liquidity, risk, and return, and the inverse relationship between bond prices and interest rates, with a worked question.
11 min answer →

How does the central bank use its tools to change interest rates and aggregate demand?

Topic 4.6 Monetary Policy: identify the central bank's tools, explain expansionary and contractionary monetary policy, and trace the transmission from the money market to aggregate demand.
A focused answer to AP Macroeconomics Topic 4.6, covering the central bank's tools (open-market operations, the reserve requirement, and the discount rate), expansionary and contractionary policy, and the full transmission chain from the money market to aggregate demand, with a worked graphing question.
12 min answer →

How does expected inflation separate the nominal interest rate from the real interest rate?

Topic 4.2 Nominal versus Real Interest Rates: define nominal and real interest rates, apply the Fisher relationship, and explain how expected inflation affects borrowers and lenders.
A focused answer to AP Macroeconomics Topic 4.2, covering nominal and real interest rates, the Fisher equation, the role of expected inflation, and how unexpected inflation redistributes between borrowers and lenders, with full worked calculations.
11 min answer →

How does the loanable funds market determine the real interest rate?

Topic 4.7 The Loanable Funds Market: draw the loanable funds market, explain the supply of saving and demand for borrowing, and show how shifts determine the real interest rate.
A focused answer to AP Macroeconomics Topic 4.7, covering the loanable funds market, the supply of saving and demand for borrowing, the real interest rate, the determinants that shift each curve, and the contrast with the money market, with a worked graphing question.
12 min answer →

How does the money market determine the nominal interest rate?

Topic 4.5 The Money Market: draw the money market, explain money demand and the vertical money supply, and show how shifts determine the equilibrium nominal interest rate.
A focused answer to AP Macroeconomics Topic 4.5, covering money demand and its determinants, the vertical money supply, money market equilibrium, and how changes in money supply or money demand change the nominal interest rate, with a worked graphing question.
12 min answer →