Excluding criminal activities, the underground economy in the United States is equivalent in value to approximately what percentage of the GDP?

In the above figure, the shift in the supply curve from S to S2 reflects

A) an increase in the supply of pizza. B) an increase in the quantity of pizza supplied. C) a decrease in the quantity of pizza supplied. D) a decrease in the supply of pizza. E) a decrease in the supply of pizza and a simultaneous decrease in the quantity of pizza supplied.

Unlike dealers, brokers

A) deal in the primary market. B) deal in equity and not in debt. C) do not buy or sell for their own account. D) get most of their funds from consumer deposits.