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In this chapter we discuss several types of entry barriers that could allow a firm to maintain some monopoly power. For each of the cases below, describe the type of entry barrier that appears to be most relevant and the kinds of innovation that are or could be circumventing these entry barriers. If you are unfamiliar with these industries you may need to do a little research.a patented blood pressure medicationlegal serviceselectricity transmissionmunicipal sewage servicesa popular social-media platformdelivery of first-class mail in Canadataxicabshotels