Monopolistic competition occurs when which of the assumptions about a perfectly competitive market is broken?
Free entry and exit
There should exist a very large number of firms so that the actions of a single buyer or seller have a negligible effect
all goods are identical and perfect substitutes for each other
The consumers and firms have perfect knowledge of the output, inputs and their prices
all goods are identical and perfect substitutes for each other
Monopolistic competition arises when goods are slightly differentiated.