Answer to Question #176508 in Microeconomics for Bubblys

Question

Supermarket checkout lines all tend to be roughly the same length. Why is that? Explain your answer using one or more concepts related to perfect competition and/or monopoly. (Note that this question is about the checkout lines within a particular store – the question is not about the number of supermarkets or grocery stores.)

Answer 1

Three-quarters of shoppers do not exclusively shop at any single grocery store, indicating that shoppers will not hesitate to bring their business to a perfect competitor for a better checkout experience hence having an orderly way for checkout lines which tend to be roughly the same length rendering this particular store within the supermarket premise a monoply.