Which of the following generate the type of externality previously described? Check all that apply. Your roommate Dmitri has bought a bird that keeps you up at night with its chirping. Antonio has planted several trees in his backyard that increase the beauty of the neighborhood, especially during the fall foliage season. The city where you live has granted a permit to put a movie theater in your neighborhood, causing traffic jams at night and on weekends. A microbiology lab has published its breakthrough in swine flu