Economists use economic models to replicate real life situations for economic policy. Production possibilities frontier is one of the few economic models used to explain the behavior of economies. You are supposed to use a production possibilities frontier to show society’s trade-off between two ""goods"" – a clean environment and the quantity of industrial output. What factor do you think determines the slope of the frontier? Illustrate what happens to the frontier if engineers develop a new way of producing electricity that emit lesser pollutants

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?