_____________ is the distance between speakers

In the above figure, the movement from point a to point b reflects

A) a decrease in the price of pizza. B) an increase in the demand for pizza. C) an increase in the number of people who eat pizza. D) an increase in the price of the tomato sauce used to produce pizza. E) a decrease in the number of firms producing pizza.

Suppose a pickpocket steals your $20 bill and spends all of it on pizza and beer. What happens to GDP?

A) GDP increases by twenty dollars. B) GDP decreases by twenty dollars. C) Because the positive balances out the negative, GDP remains unchanged. D) GDP decreases because somebody has clearly been made worse off.