Which of the following would generate positive externalities?

Is a single-price monopoly efficient?

A) Yes, because it creates a deadweight loss. B) No, because it creates a deadweight loss. C) Yes, because consumers gain and producers lose some of their surpluses. D) Yes, because consumers lose and producers gain some of their surpluses. E) Yes, because it produces the quantity at which MR = MC.

Which of the following statements is (are) correct? According to the Feldstein-Horioka Saving Investment Puzzle

a. countries with relatively low saving to income ratios have relatively high investment to income ratios. b. there is no correlation between investment and saving in developed countries. c. countries with a high ratio of saving to income have high ratios of investment to income. d. Both a and b