Q. 1. Airline companies sometimes fly airplanes that are one quarter full between cities. Some people point to this as evidence of economic waste. Is this economic waste? Would be better to have fewer airline companies and more full planes?
2. Draw a diagram to identify a monopolistic competitor that is incurring losses.
3. Total industry sales are $105 million. Top four firms account for sales of $10 million, 9 million, 8 million and $5 million, respectively. What are four firm concentration ratios?