Suppose the United States has two utilities, Commonweath Utilities and Consolidated Electric. Both produce 20 million tons of sulfur dioxide pollution per year. However, the marginal cost of reducing a ton of pollution for
Commonwealth Utilities
Commonwealth Utilities is $
325
325 per ton and the marginal cost of reducing a ton of pollution for
Consolidated Electric
Consolidated Electric is $
400
400 per ton. The government's goal is to cut sulfur dioxide pollution in half (by 20 million tons per year).
If the government issues 10 million tradable pollution permits to each utility, what will be the cost of eliminating half of the pollution to society?
Using a cap-and-trade
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system of tradable emission allowances will eliminate half of the sulfur dioxide pollution at a cost of $

nothing
million per year.

An attorney came to work on a saturday. when he signed in, he was advised by the morning security guard employed by the building management that he must be out of the building by 5 p.m., when it closes. however, he stayed past 5 p.m. to complete a brief that had to be filed on monday morning. at 5: 15 p.m., the afternoon security guard set the locks on all the doors of the building and left. because she was in a hurry, she did not check the sign-in sheet to make sure that everyone had signed out, contrary to mandatory procedures. when the attorney tried to exit 15 minutes later, he discovered that the doors were all locked and could not be opened from the inside. he used his cell phone to call for , and a supervisor from the building arrived and let him out shortly thereafter. if the attorney sues the building management for false imprisonment, is he likely to win?