An airport creates noise pollution for a residential area because some flight paths go over the residential area. The residents could move or the airlines could alter the path and timing of flights or some combination. What might prevent these residents and the airport from achieving an efficient agreement according to Ronald Coase.

Advertisers are usually very conscious of their audience. choose an issue of a popular magazine such as time, sports illustrated, vanity fair, rolling stone, or the like. from that issue select three advertisements to analyze. try to determine the audience being appealed to in each advertisement and analyze the appeals used to persuade buyers. how might the appeals differ is the ads were designed to persuade a different audience.