In a monopolistically competitive market, the demand curves faced by incumbent firms are unaffected by the entry of new firms into the market.

Demand Curves

Graphical representations that show the relationship between the price of a good or service and the quantity demanded by consumers at various price levels.

Incumbent Firms

Established companies that currently dominate a sector or industry.

New Firms

Newly established business entities that often bring innovation, competition, and dynamism to their respective markets.