Figure 7; Simultaneous Shifts of Supply and Demand Curves Price (19 PANEL (A) u Saad Pulpin (Q) Price (P) or, Ibrahim Abou PANEL B) Quiput (Q) Price (P) Dr. brahim Abou saad 4, D, PANEL(O Ouput (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 "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. 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