The table above shows the marginal costs and marginal benefits of college education. If the market for college education is perfectly competitive and unregulated, how many students are enrolled in college?

In the economic way of thinking, "outsourcing" is another application of

A) the entrepreneurial attempt to buy low, and sell high. B) voluntary exchange. C) the coordination of plans across different regions. D) the discovery of people's comparative advantage. E) all of the above.

Classical economists and Keynesian economists respect each other but hold very different views about how to read the quantity theory of money. According to the classical view,

a. velocity is constant (Keynesians agree), which means changes in price will cause changes in price or quantity (Keynesians disagree) b. quantity is constant (Keynesians agree), which means changes in the money supply could cause either changes in velocity or changes in prices (Keynesians disagree) c. velocity and price are constant (Keynesians disagree) so that changes in the money supply cause changes in quantity (Keynesians disagree) d. velocity and quantity are constant (Keynesians disagree) so that changes in the money supply only cause changes in prices (Keynesian disagree) e. velocity is constant while quantity is variable (Keynesians disagree) so that changes in the money supply change both price and quantity (Keynesians disagree)