economics

6 articles · All tags

• Game Theory
  The mathematics of strategic interaction — players, payoffs, and equilibrium — from von Neumann's minimax theorem to Nash equilibria and evolutionary stability.
• Externalities and Market Failure
  When production or consumption affects third parties outside the market, prices no longer reflect true social costs or benefits.
• Opportunity Cost
  The value of the best alternative forgone when making a choice — the fundamental concept of economic scarcity.
• Price Elasticity of Demand
  How strongly quantity demanded responds to price, and why it decides who bears a tax and whether price cuts raise revenue.
• Supply and Demand
  The model economists use to explain how prices and quantities are determined in competitive markets.
• Inflation
  A sustained rise in the general price level: how it is measured, what causes it, and why central banks target low stable rates.