## TL;DR

GDP (Gross Domestic Product) measures the total market value of all final goods and services produced in a country. GDP = C + I + G + (X-M): Consumption + Investment + Government spending + Net exports. Nominal GDP (current prices) vs. Real GDP (inflation-adjusted). GDP per capita approximates living standards.

## Core Explanation

Limitations: ignores inequality, environmental damage, unpaid work (caregiving), well-being. Alternatives: HDI (Human Development Index: health + education + income), GPI (Genuine Progress Indicator), Bhutan's Gross National Happiness. GDP growth driven by: productivity, population growth, technological innovation. Largest economies (nominal): US ($27T), China ($18T), Germany, Japan, India. Fastest growing: Guyana (oil discovery, +60% 2024), Macau, Libya.

## Further Reading

- [GDP: A Brief but Affectionate History (Diane Coyle)](https://press.princeton.edu/books/paperback/9780691169859/gdp)