Suppose There Are Several Paper Mills Producing Paper for a Market.These

Multiple Choice

Suppose there are several paper mills producing paper for a market.These mills,located upstream from a fishing village,discharge a large amount of wastewater into the river.The waste material affects the number of fish in the river and the use of the river for recreation and as a public water supply source.Figure 5-4 shows the paper market.Use this Figure to answer the following question(s) .
-Refer to Figure 5-4.What does S1 represent?

A) the market supply curve that reflects social cost
B) the market supply curve that reflects only external cost
C) the market supply curve that reflects only private benefit
D) the market supply curve that reflects private cost