申論題

 1. Let the inverse demand function of good t in a country be P_x = 5- D_x, where P. is the price of z and Ds is the quantity demanded. The quantity supplied is Q_x and the inverse supply function is P_x =3+ Q_x. Answer the following questions.

B. (8 points) Suppose the country is small. The price ofx in the international market is 3. Will the country import or export x? Calculate the quantity of export or import.