The Share of Labor in National Income

The Production Possibilitiesin a Graph

The Relationship betweenTotal Cost and Marginal Cost

Marginal Product Is Derivedfrom Total Product

Indifference Curves for a Pair of Goods

The Law of Diminishing Marginal Utility

Elastic Demand Shows Large￾Quantity Response to Price Change

Gasoline Prices Move with Demand and Supply Changes

The Market System Relies on Supply and Demand to Solve the Trio of Economic Problems

Six Possible Pairs of Food￾Machines Production Levels