Government services are by definition a monopoly because there is only one government in your country. It's a bit worse, though. If there's a monopoly on electr

Government services are by definition a monopoly because there is only one government in your country. It's a bit worse, though. If there's a monopoly on electricity I can just stop paying and get a generator. If there is a monopoly on air flights I could drive or take a boat. However, if I stop paying the government I go to prison.