Purchasing and consuming food does usually not create an externality.However, suppose you arrive at

Purchasing and consuming food does usually not create an externality.However, suppose you arrive at a McDonald’s at lunchtime and get in a long line to be served. By the time you reach the counter, there are 10 people in line behind you. Because the service is slow andyou decided to have a Big Maceach of those 10 peoplebehind youmust wait in line an additional 2 minutes.Is it still correct to say that your purchase of a Big Mac creates no externalities? Might there be a justification here for the government to intervene in the market for Big Macs?