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Finance

Choose a topic to read a real lesson, see a worked example, review key ideas and common mistakes, and try practice questions.

Time value of money

Money available today can earn returns, so present and future values depend on interest rate and time.

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Risk & return

Higher expected return usually comes with greater uncertainty; diversification can reduce firm-specific risk.

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Bonds

Bond values depend on promised cash flows, time to maturity, credit risk, and market interest rates.

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Stocks & valuation

Equity represents ownership; valuation uses expected future cash flows, growth, and required return.

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Capital budgeting

Businesses evaluate long-term projects using tools such as net present value and internal rate of return.

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Finance study guide

This guide is designed to help you understand the core ideas that commonly appear in introductory college Finance courses. Read the explanation, follow the example, then try the practice questions without looking back. The goal is to understand the reasoning—not just memorize an answer.

Course requirements vary by school and instructor. Use this as a learning and review resource alongside your assigned textbook, lectures, and instructor guidance.

Time value of money

Concept: Money available today can earn returns, so present and future values depend on interest rate and time.

Worked example: $1,000 invested at 5% for one year becomes $1,050 before taxes/fees.

Remember: Focus on the central relationship in time value of money, define the important terms, and connect each step to the evidence, rule, formula, or process being used.

Common mistakes: Common mistakes include memorizing time value of money without understanding when it applies, skipping units or definitions, and giving an answer without showing the reasoning that supports it.

Practice it

Risk & return

Concept: Higher expected return usually comes with greater uncertainty; diversification can reduce firm-specific risk.

Worked example: Holding many unrelated assets can reduce the impact of one company’s poor performance.

Remember: Focus on the central relationship in risk & return, define the important terms, and connect each step to the evidence, rule, formula, or process being used.

Common mistakes: Common mistakes include memorizing risk & return without understanding when it applies, skipping units or definitions, and giving an answer without showing the reasoning that supports it.

Practice it

Bonds

Concept: Bond values depend on promised cash flows, time to maturity, credit risk, and market interest rates.

Worked example: When market rates rise, existing fixed-rate bond prices generally fall.

Remember: Focus on the central relationship in bonds, define the important terms, and connect each step to the evidence, rule, formula, or process being used.

Common mistakes: Common mistakes include memorizing bonds without understanding when it applies, skipping units or definitions, and giving an answer without showing the reasoning that supports it.

Practice it

Stocks & valuation

Concept: Equity represents ownership; valuation uses expected future cash flows, growth, and required return.

Worked example: A dividend discount model values expected dividends discounted to present value.

Remember: Focus on the central relationship in stocks & valuation, define the important terms, and connect each step to the evidence, rule, formula, or process being used.

Common mistakes: Common mistakes include memorizing stocks & valuation without understanding when it applies, skipping units or definitions, and giving an answer without showing the reasoning that supports it.

Practice it

Capital budgeting

Concept: Businesses evaluate long-term projects using tools such as net present value and internal rate of return.

Worked example: A positive NPV means discounted expected benefits exceed the project’s cost under the assumptions used.

Remember: Focus on the central relationship in capital budgeting, define the important terms, and connect each step to the evidence, rule, formula, or process being used.

Common mistakes: Common mistakes include memorizing capital budgeting without understanding when it applies, skipping units or definitions, and giving an answer without showing the reasoning that supports it.

Practice it