CHEVALIER FALL 2015 Supply and Demand Together
Warm-Up #9: Review Notes… Explain the pricing mechanism. When do surpluses occur and when do shortages occur.
I. Pricing Mechanism A. Price Communication Communicate information; provides incentives to buyers and sellers High prices are a signal for producers to produce________ High prices are a signal for consumers to buy __________ 1. neutrality of prices 2. flexibility of prices No cost of administration
B.Non price allocation Rationing Ration coupons WWII Decisions based upon everyone’s fair share Command economies Problems of non price allocation 1. fairness 2. diminishing incentives High administrative costs
II. Supply and Demand A. Equilibrium (MCP) graph B. Shift of curve establishes a new MCP graph
III. Shortage Qd>Qs at a given price Graph P. 145 Price below equilibrium
IV- Surplus Qd<Qs at a given price Graph P.145 Price above equilibrium
Price ceilings and price floors graphs