rise, fall, or remain unchanged depending on the magnitude of the changes, but the equilibrium quantity of coal would increase.

B. rise, fall, or remain unchanged depending on the magnitude of the changes, but the equilibrium quantity of coal would increase. A. At the original equilibrium price there will be a shortage of 150. b. At the original equilibrium price there will be a surplus of 150 c. At the new equilibrium P = $6 and Q = 450. d. At the new equilibrium P = $7 and Q = 400. e. both a and d Increases in the wage rates of coal miners and decreases in the price of natural gas would cause the price of coal to a. rise, fall, or remain unchanged depending on the magnitude of the changes, but the equilibrium quantity of coal would fall. Let supply remain constant at S; an increase in the price of a substitute good causes consumers to be willing and able to buy 150 more units of the good at each price in the list than they were when demand was D. Which of the following statements is (are) true? A. At the original equilibrium price there will be a shortage of 150. b. At the original equilibrium price there