Research Explained

You will discover key economic theories and concepts backed by the latest research, presented clearly, and connected to major economic topics.

Coase theorem: factory and village negotiate compensation for pollution as a private solution to externalities.

Research Explained

The Coase Theorem: When Private Solutions Solve Externalities (And When They Don’t)

Ronald Coase’s Nobel‑winning insight: private bargaining solves externalities when property rights are clear and transaction costs are low. From pollution...

March 21, 2026

CAPM model: defensive stock with beta 0.5 gives 13% return; aggressive stock with beta 1.5 gives 19% return.

Research Explained

The Capital Asset Pricing Model: How Finance Learned to Price Risk (And Why It’s Still Debated)

CAPM revolutionized finance by measuring risk with beta and linking it to expected return. Despite anomalies and multi-factor extensions, it...

March 21, 2026

Solow‑Swan model: capital deepening leads to catching up; steady state growth comes only from technology.

Research Explained

The Solow-Swan Growth Model: Why Some Countries Grow Faster (And Why Others Don’t)

The Solow-Swan model showed that capital accumulation faces diminishing returns; only technological progress drives sustained growth. It remains the foundation...

March 20, 2026

Leontief paradox: H‑O predicted US exports capital goods, but data showed US exported labor goods like textiles and garments.

Research Explained

The Leontief Paradox: When Data Destroyed a Perfect Theory (And What It Taught Us)

In 1953, Wassily Leontief proved the leading trade theory wrong, showing the capital-rich US exported labor-intensive goods. The paradox forced...

March 20, 2026

Heckscher‑Ohlin model: labor‑abundant Pakistan exports textiles; capital‑abundant Germany exports machinery.

Research Explained

The Heckscher-Ohlin Model: Why a Century-Old Trade Theory Still Matters (And Why It Might Not)

The Heckscher-Ohlin model explained trade by factor abundance until the Leontief Paradox and modern fragmentation challenged its relevance. Does it...

March 20, 2026