Identify whether or not each of the following scenarios describes a competitive market, along with the correct explanation of why or why no

Scenario

Is the market competitive?

In a large city, one chain of coffee shops controls a large market share because locals believe its coffee tastes better than that of its competitors.

There are several dozen crust makers that distribute their frozen products to hundreds of No $($not an identicgl product$)$ grad pizza shops nationwide. The shop owners source crusts from the cheapest available producer.

The government has granted the U$.$S$.$ Postal Service the exclusive right to deliver mail.

No $($no free entry$)$

A few major airline companies represent a great majority of total air travel. Consumers Yes, satisfies all assumptions grad consider all different flights to be essentially the same, and comparison shop for the lowest price.