The second group of students attributes the decrease in the price of cheeseburgers to the decrease in the price of calzones at local pizza parlors. On the following graph, adjust the supply and demand curves to illustrate the second group's explanation for the decrease in the price of cheeseburgers. PRICE (Dollars per cheeseburger) QUANTITY (Cheeseburgers) Supply Demand D 02 Supply ? 8. Another supply and demand puzzle The market price of cheeseburgers in a college town decreased recently, and the students in an economics class are debating the cause of the price decrease. Some students suggest that the price decreased because the price of beef, an important ingredient for making cheeseburgers, has decreased. Other students attribute the decrease in the price of cheeseburgers to a recent decrease in the price of calzones at local pizza parlors. Everyone agrees that the decrease in the price of calzones was caused by a recent decrease in the price of pizza dough, which is not generally used in making cheeseburgers. Assume that burger joints and pizza parlors are entirely separate entities-that is, there aren't places that serve both cheeseburgers and calzones. The first group of students thinks the reason for the decrease in the price of cheeseburgers is that the price of beef, an important ingredient for making cheeseburgers, has decreased. On the following graph, adjust the supply and demand curves to illustrate the first group's explanation for the decrease in the price of cheeseburgers. Note: Select and drag one or both of the curves to the desired position. Curves will snap into position, so if you try to move a curve and it snaps back to its original position, just drag it a little farther. PRICE (Dollars per cheeseburger) S 52 Demand QUANTITY (Cheeseburgers) Demand Supply (?) Suppose that both of the causes suggested by the students are partly responsible for the decrease in the price of cheeseburgers. Based on your analysis of the explanations offered by the two groups of students, how would you figure out which of the possible causes is the dominant cause of the decrease in the price of cheeseburgers? Whichever change occurred first must have been the primary cause of the change in the price of cheeseburgers. If the price decrease was large, then the supply shift in the market for cheeseburgers must have been larger than the demand shift. If the equilibrium quantity of cheeseburgers increases, then the supply shift in the market for cheeseburgers must have been larger than the demand shift. If the equilibrium quantity of cheeseburgers increases, then the demand shift in the market for cheeseburgers must have been larger than the supply shift.