A monopolistic competitor has a demand curve that is less elastic than a perfectly competitive firm’s demand curve and more downward slope than a monopolistic firm’s demand curve. The reason why is that a perfectly competitive firm, belongs in a market without any barriers of entry or exit, therefore should an increase in price in the said market happen the demand for the product will vanish. Compared to a monopolistic competitor where different firms have a small amount of control on the market, making changes in the prices will not completely relinquish the demand for the product since there are other suppliers of similar products. As for the downward slope of the competitor against the monopolistic market meaning that the different firms have market power, which would allow them to possibly change the price of the products.
