The fact that a rock star earns $5 million a year while a teacher earns $25,000 annually is most directly an example of an economy answering the ________ part of one of the two big economic questions

Rational expectations imply

a. markets always clear. b. that prices are "sticky" c. policy that is unpredictable is irrelevant to economic outcomes. d. both a and c. e. None of the above.

Suppose a great baseball player autographed only 50 baseball bats in his lifetime. If those bats are available for purchase online, the supply of the bats will be: a. perfectly elastic

b. highly elastic. c. perfectly inelastic. d. unit elastic.