Index funds are usually outperformed by mutual funds that are actively managed by professional money managers

What did economists Robert Jensen and Nolan Miller determine must be true for a good to be a Giffen good, where the income effect is larger than its substitution effect?

What will be an ideal response?

According to the assumptions of the quantity theory of money, if the money supply increases by 5 percent, then

a. nominal and real GDP would rise by 5 percent. b. nominal GDP would rise by 5 percent; real GDP would be unchanged. c. nominal GDP would be unchanged; real GDP would rise by 5 percent. d. neither nominal GDP nor real GDP would change.