Which of the following will tend to make oil extraction more economical?

A $500 increase in investment will shift the aggregate expenditures curve up by:

a. exactly $500 and will increase the equilibrium level of real GDP by exactly $500. b. exactly $500 and will increase the equilibrium level of real GDP by less than $500. c. exactly $500 and will increase the equilibrium level of real GDP by more than $500. d. more than $500 and will increase the equilibrium level of real GDP by more than $500. e. less than $500 and will increase the equilibrium level of real GDP by less than $500.

Suppose the government sets a price floor that is above the equilibrium price for a given good. It can be said that at the price floor,

A) although sellers are selling all of the product that they desire at this price, the consumers are not able to buy all that they desire. B) although consumers are purchasing all of the product that they desire at this price, the sellers are not selling all that they desire. C) both sellers and buyers are satisfied with the quantity that is being exchanged. D) both sellers and buyers are exchanging the equilibrium quantity of this good. E) b and d