Laffer Curve Economics: Can Cutting Taxes Raise Revenue?
The Laffer Curve economics framework proposes that cutting taxes can raise revenue beyond a critical rate. Five decades of empirical...
Research Explained
You will discover key economic theories and concepts backed by the latest research, presented clearly, and connected to major economic topics.
Cobb-Douglas Production Function: Equation Behind Growth Models
The Cobb-Douglas production function is the equation behind the Solow model, growth accounting, and potential output estimates. This deep dive...
AD-AS Model Economics: Master Macro Framework
The AD-AS model economics framework unites aggregate demand and supply into a single diagram, explaining recessions, inflation, and stagflation through...
Endogenous Growth Theory Romer: Why Ideas Drive Long‑Run Prosperity
Endogenous growth theory Romer explains why ideas drive long-run prosperity through nonrival knowledge, increasing returns, and deliberate R&D investment across...
Ricardian Model of Trade: The Simplest Comparative Advantage Theory
The Ricardian model of trade explains why countries gain from specialisation based on relative productivity, not absolute productivity, making it...
Stolper-Samuelson Theorem: Free Trade’s Winners and Losers
The Stolper-Samuelson theorem explains how trade liberalisation raises real returns to the abundant factor and lowers real returns to the...
The Phillips Curve: The Trade-Off Between Inflation and Unemployment (And Why It Keeps Breaking)
The Phillips Curve describes the inverse relationship between inflation and unemployment, but it has broken, reformed, and flattened over time....
The Theory of Second Best: Why Fixing One Market Failure Isn’t Enough
The theory of second best shows that when one Pareto condition cannot be met, the others are no longer desirable....
Tragedy of the Commons: Overuse of Shared Resources and How to Fix It
The tragedy of the commons explains why shared resources are overused when individuals act rationally. Elinor Ostrom’s design principles show...
The Kaldor‑Hicks Criterion: Efficiency Without Unanimity, the Workhorse of Policy
The Kaldor‑Hicks criterion defines a policy as efficient if winners could compensate losers, regardless of actual payment. It underpins cost‑benefit...