file:9. Perfect Competition Long-Run.pptx file:6. Long-Run Production Costs.pptx file:5. Shifting Cost Curves.pptx file:3. Graphing Production Costs & 3 Stages of Returns.pptx file:10. Efficiency and Perfect Competition.pptx file:1. Accounting vs. Economic Profits.pptx file:9. Types of Oligopolies.pptx file:8. Game Theory.pptx file:6. Monopolistic Competition.pptx file:4. Monopoly Regulation and Price Discrimination.pptx file:3. Monopolies Efficency and Natural.pptx