31) Suppose two firms operate under a system of marketable pollution permits. If it costs Firm A
$25 to reduce pollution by 1,000 units per day, and Firm B can reduce costs by $35 by increasing
pollution by 1,000 units per day
A) the firms cannot gain by trading the right to pollute.
B) both firms can benefit if Firm A trades the right to pollute 1,000 units to Firm B for $30.
C) both firms can benefit if Firm A trades the right to pollute 1,000 units to Firm B for $40.
D) both firms can benefit if Firm B trades the right to pollute 1,000 units to Firm A for $30.
32) Suppose Smith’s oil refinery and Jones’ paper mill both pollute a river and both firms operate
under a system of marketable pollution permits. If it costs Smith $45 to reduce pollution by 500
gallons per day, and Jones can reduce costs by $65 by increasing pollution by 500 units per day
A) the firms cannot gain by trading the right to pollute.
B) both firms can benefit if Smith trades the right to increase pollution by 500 gallons to Jones
for $30.
C) both firms can benefit if Smith trades the right to increase pollution by 500 gallons to Jones
for $50.
D) both firms can benefit if Jones trades the right to increase pollution by 500 gallons to Smith
for $30.
33) Suppose two power plants pollute a river and both firms operate under a system of
marketable pollution permits. If it costs Firm A $90 to reduce pollution by 800 units per day, and
Firm B can reduce costs by $115 by increasing pollution by 800 units per day
A) the firms cannot gain by trading the right to pollute.
B) both firms can benefit if Firm A trades the right to increase pollution by 800 units to Firm B
for $70.
C) both firms can benefit if Firm B trades the right to increase pollution by 800 units to Firm A
for $120.
D) both firms can benefit if Firm A trades the right to increase pollution by 800 units to Firm B
for $100.