If Sarah decides to hit Tom, what would Tom's best response be

Using the above figure, which of the lines in the above diagram represents a progressive tax?

A) A B) B C) C D) none of them

The idea that expectations can affect the velocity of money is a critical factor in understanding

a. the Keynesian view of the quantity theory of money b. the classical view of the quantity theory of money c. the monetarist view of the quantity theory of money d. why GDP must increase when the price level increases e. why price changes cause inflation