Po∥ ution and the socia Optimum ■■■ Price of Cost of Social cost Aluminum pollution Supply (private cost) Optimum Equilibrium Demand (private value) 0 MARKET Quantity of optimum Aluminun H arc Inc. items and derived items c ht o 2001 by Harcourt, IncHarcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. QMARKET Pollution and the Social Optimum... Quantity of Aluminum 0 Price of Aluminum Demand (private value) Supply (private cost) Social cost Qoptimum Cost of pollution Equilibrium Optimum