1. Why do most cities in the United States now have more radios but fewer radio repair shops than they did in 1960?
2. How can a business owner who earns $10 million per year from his business credibility claims to earn zero economic profit?
3. Why do market forces drive economic profit but not economic rent toward zero?
4. Why did airlines that once were regulated by the government generally fail to earn an economic profit, even on routes with relatively high fares?
5. Why is a payment of $10,000 to be received one year from now more valuable than a payment of $10,000 to be received two years from now?