Adam Smith's invisible hand is now called

Economists believe that production possibilities frontiers rarely have a bowed shape

a. True b. False Indicate whether the statement is true or false

Which of the following is a microeconomics topic?

A) the study of how prices are determined in the computer industry B) the study of unemployment in the economy C) the study of how changes in the nation's money supply affect the nation's output D) a and c E) b and c