1. Externalities (20 Points): I am a pretty frequent flyer. Unfortunately, this has never happened to me. Instead, I usually have to deal with selfish people boarding the plane: Cutting lines when boarding, bringing too much luggage, the carry-on is usually packed to the extent that it doesn't fit in the overhead compartment, people hang out in the aisles...the list is endless. As a result, it takes forever to board, once I make it on the plane there is no space in the overhead compartment, and I have to check my carry-on. However, I do love my family and since flying is the only reasonable way to get to Germany, I just have to deal with it. Generally, the demand for plane seats to Germany is