Figure 7: Simultaneous Shifts of Supply and Demand Curves PANEL (AT Saa Ade Or, Ibrahim PANEL BI Quipul (4) Dr. brahim Abou-Saad ", PANEL (O) Figure 7: Panels A, B, and C. Referring to Figure 4. Panel [A), Panel (B) and Panel (C) - all together - show The case of an "increase in demand" and a simultaneous "decrease in supply" where, with no additional information information, the direction of change in the equilibrium quantity is ambiguous. ( The case of an "increase in demand" and a simultaneous "decrease in supply" where, with no additional information, the direction of change in the equilibrium quantity is unambiguous. The case of an "decrease in demand" and a simultaneous "increase in supply" where, with no additional information information, the direction of change in the equilibrium quantity is ambiguous. ( The case of an "decrease in demand" and a simultaneous "increase in supply" where, with no additional information information, the direction of change in the equilibrium quantity is unambiguous