5. Consider the scenario represented in Figure 11.2, with S1 representing the black-market supply of ivory (which

╇ 5. Consider the scenario represented in Figure 11.2, with S1 representing the black-market supply of ivory (which we'll assume remains constant). Let the shift from S1 to S2 represent an influx of legal ivory due to a partial lifting of the ivory ban. Suppose that the relaxation of the ban increases ivory demand.

Draw the largest possible increase in demand that would not result in an increase in the quantity of black-market sales relative to the initial level, QA.