한국어EN

ECONOMICS · MONEY · INVESTING

spaceLearn

Ten Lessons in Understanding Money

Start with the account that receives your paycheck. Explore interest and inflation, open a company’s financial statements, and finish with a one-page investment plan. Each lesson builds on ideas introduced earlier in the series.

Read lesson one 10 lessons · About 6–9 minutes each

All lessons

  1. Lesson 1 · 7–9 min read

    The Paycheck Arrived. Where Did the Money Go?

    Separate your account balance, cash flow, and net worth, then give savings a purpose and a date.

    Personal finance · Cash flow · Emergency funds

  2. Lesson 2 · 7–9 min read

    Interest Looks Small. Time Is Not.

    Follow simple and compound interest, then examine contributions, costs, borrowing, and the assumptions behind growth charts.

    Compound interest · Interest · Debt

  3. Lesson 3 · 6–8 min read

    Inflation Is Down. Why Is the Grocery Bill Still High?

    Understand why slower inflation can leave prices high, and connect household spending with purchasing power.

    Inflation · Prices · Purchasing power

  4. Lesson 4 · 6–8 min read

    Why Do Old Bonds Lose Value When Interest Rates Rise?

    Use a café loan and a simple bond to understand how rates reach the economy and why bond prices move.

    Interest rates · Bonds · Monetary policy

  5. Lesson 5 · 6–8 min read

    Reading Economic News, Starting with the Price of a Dollar

    Calculate currency exposure and learn to read GDP, employment, comparison periods, and economic headlines.

    Exchange rates · Economic indicators · GDP

  6. Lesson 6 · 6–8 min read

    What Do You Own When You Buy a Share?

    Explore ownership, market capitalization, dividends, and dilution through a fictional bakery.

    Stocks · Market capitalization · Dividends

  7. Lesson 7 · 6–8 min read

    The Business Is Profitable. Why Is There So Little Cash?

    Connect three financial statements to see why revenue, profit, and available cash can tell different stories.

    Financial statements · Cash flow · Company analysis

  8. Lesson 8 · 6–8 min read

    A Good Company—At What Price?

    Read P/E, P/B, and ROE carefully, and test how valuation changes when assumptions change.

    Valuation · P/E · P/B · ROE

  9. Lesson 9 · 6–8 min read

    You Bought an ETF. What Is Inside It?

    Look inside an ETF to examine holdings, overlap, costs, trading mechanics, and the limits of diversification.

    ETFs · Diversification · Investment costs

  10. Lesson 10 · 6–8 min read

    A One-Page Plan for Uncertain Days

    Build a one-page plan around goals, cash needs, regular investing, rebalancing, and reasons to reconsider.

    Investment planning · Asset allocation · Rebalancing

About the sources and examples

Links beside the relevant concepts lead to original public-agency sources. Jiyun and Corner Bakery are fictional examples, and charts are calculated from stated assumptions. Reading times are estimates that include time to examine tables and calculations.

These lessons provide general financial education. They do not offer personalized investment advice or recommend particular products.

Last updated Oct 22, 2026 · About space