第一节 比较优势说 第二节 生产要素禀赋说 第三节 里昂剔夫之谜及其解释 第四节 产业内贸易说 第五节 战略性贸易理论

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Acid Test for Imperfect Competition Is Downward Tilt of Firm’s Demand Curve

The Share of Labor in National Income

Fixed Land Must Work for Whatever It Can Earn

American Production Data

Cost Curves for a Natural Monopolist

The Production Possibilitiesin a Graph

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

Elastic Demand Shows Large￾Quantity Response to Price Change