Income Statement Basics
Net Interest Income
Noninterest Items
ROE Model
Ratios & Drivers
100

This is the difference between interest income and interest expense.

What is Net Interest Income (NII)?

100

This is calculated as interest earned on assets minus interest paid on liabilities.

What is Net Interest Income (NII)?

100

This includes fees from services like account maintenance, advisory, or trading.

What is Noninterest Income?

100

This equals Net Income divided by Equity.

What is Return on Equity (ROE)?

100

This measures how much income a bank generates per dollar of assets.

What is ROA?

200

This term equals non-interest expense minus non-interest income.

What is Burden?

200

This ratio equals Net Interest Income divided by Average Earning Assets.

What is Net Interest Margin (NIM)?

200

This ratio compares Noninterest Expenses to Total Revenue and measures efficiency.

What is Efficiency Ratio?

200

This equals Net Income divided by Total Assets.

What is Return on Assets (ROA)?  

200

This ratio equals Interest Income divided by Average Earning Assets.

What is Yield on Earning Assets?

300

Small banks rely heavily on this type of income, making up the majority of revenues.

What is Interest income?

300

If interest rates rise and a bank’s assets reprice faster than liabilities, NII will likely do this.

What is increase?

300

If a bank’s efficiency ratio increases, operational efficiency is doing this.

What is decrease?

300

This component of ROE equals Total Assets divided by Equity.

What is Equity Multiplier (Financial Leverage)?

300

This ratio measures the proportion of a bank’s assets that are funded by deposits.

What is Deposits-to-Assets Ratio?

400

This provision reduces earnings to account for expected loan losses under credit risk.

What is Provision for Loan Losses (PLL)?

400

Name two types of earning assets that generate interest income for banks.

What are loans and investment securities?

400

Give two examples of noninterest income sources for a commercial bank.

What are fees, commissions, trading revenue, or asset management income?

400

State the full banking ROE decomposition formula using ROA and leverage.

What is ROE = ROA × Equity Multiplier?

400

If a bank’s Cost of Funds rises faster than its Yield on Earning Assets, this key profitability ratio will do this.

What is Net Interest Margin decreases?

500

Explain how an increase in Provision for Loan Losses flows through the income statement and impacts Net Income.

What is: It increases expenses → reduces pre-tax income → lowers net income (all else equal)?·

500

A bank has $1B in earning assets, earns 5%, and pays 3% on $800M liabilities. Estimate NII.

What is $26M?

500

Explain why high noninterest income can stabilize a bank’s earnings.

What is: it diversifies revenue away from interest rate dependence, reducing volatility?

500

Break ROA into its main income statement drivers for banks.

What is: ROA = (Net Interest Income/Assets) + (Noninterest Income/Assets) − (Noninterest Expense/Assets) − (Provision/Assets) − (Taxes/Assets)?

500

A bank has: Yield on Earning Assets = 6%, Cost of Funds = 3.5%, Earning Assets / Total Assets = 85%. Estimate ROA contribution from net interest activities.

What is 2.125%?