Capital Structure Decision: Modigliani-Miller in Practice
The Capital Structure Decision balances the tax shield from debt against bankruptcy costs and information frictions, producing real-world leverage ratios...
microeconomics
Engel Curve: How Spending Patterns Shift with Income
The engel curve traces how spending patterns shift with income, showing that food budget shares fall systematically as households grow...
Lerner Index: Measuring Market Power Mathematically
The lerner index measures market power as the gap between price and marginal cost relative to price, ranging from 0...
Spence Signalling Model: How Education Signals More Than It Teaches
The spence signalling model explains how education functions as a costly signal of ability, allowing high-productivity workers to separate themselves...
Bertrand Cournot Model Economics: How Oligopolists Compete on Price vs. Quantity
The Bertrand Cournot model economics framework explains how oligopolists compete. Cournot firms set quantities and earn positive profit. Bertrand firms...