Between 1922 and 1929 stock prices increased by more than

In the above figure, Jill's opportunity cost of producing 1 gallon of soda is ________ of bottled water

A) 2 gallons B) 1/4 of a gallon C) 4 gallons D) 1/2 of a gallon E) 1 gallon

The figure above illustrates the marginal private cost and the marginal social cost to the city of Seattle for each rock concert that is offered. It also illustrates the marginal private benefit. There is no external benefit

The efficient number of concerts in Seattle is A) 0. B) 5. C) 10. D) 20. E) 15.