BETA — A Human + AI Experiment in Teaching Economics

Data Sources

FRED — Federal Reserve Economic Data

The gold standard for U.S. economic time series. GDP, unemployment, inflation, interest rates, and 800,000+ series.

Macro · Micro · Finance

U.S. Census Data

Population, housing, income, poverty, business statistics, and the American Community Survey.

Demographics · Regional

Our World in Data

Research-driven visualizations on global development — poverty, health, education, energy, inequality.

Global · Development

World Bank Open Data

Development indicators for every country: GDP per capita, Gini coefficients, trade flows, education metrics.

International · Development

UN Data

United Nations statistical databases covering population, trade, energy, environment, health, and human development.

International · Policy

Bureau of Labor Statistics (BLS)

The primary source for U.S. labor market data: employment, wages, CPI, PPI, productivity, and JOLTS.

Labor · Prices · Wages

Learning & Tutoring

Marginal Revolution University (MRU)

Free economics courses from Tyler Cowen and Alex Tabarrok — the authors of your textbook. Short, clear video lessons on every major topic.

Video Lectures · Free

Khan Academy — Economics & Finance

Free, self-paced economics tutorials with practice exercises. Covers micro, macro, and finance fundamentals.

Tutoring · Free

Transparency

Profit Fish — Formulas Verified

Every equation in The Profit Fish Calculator checked line-by-line against Cowen & Tabarrok, OpenStax, and Khan Academy. If you want to see the receipts, this is where they live.

Groundtruthing · Open