The demand curve shows the marginal revenue curve (marginal cost curve) as one increases the number of products that can be sold. The marginal cost curve shows the maximum number of products that can be sold for a given marginal cost. This is why the demand curve is the curve for the marginal revenue curve, and the demand curve is the curve for the marginal cost curve.
The demand curve shows how much money a monopolist can charge for its products, and the marginal curve shows how much money that same monopolist can make by selling each of its products. The marginal cost curve shows how much money the monopolist can make by selling each of its products.
The marginal cost curve shows how much it costs to produce each of a monopolists products, and the marginal revenue curve shows how much money that same monopolist can make from each product. The demand curve shows how much money a monopolist can charge for each of its products, and the marginal cost curve shows how much money that same monopolist can make from each of its products.
A monopoly is an oligopoly where the marginal cost and marginal revenue are 1.0, and the demand curve is flat. A monopoly is, therefore, a perfect market in which sales are exactly equal. However, in the case of a monopolist, the marginal cost is much lower than the marginal revenue, and the demand curve is much more convex. The demand curve is a combination of the marginal revenue curve and the marginal cost curve.
So it’s a case of a monopolist losing its monopoly status if the cost of producing each unit of a product is greater than its marginal cost (or, if you prefer, the marginal revenue curve is much more convex than the marginal cost).
This is why when a company goes from being a monopoly to being a duopoly, the demand curve becomes much more concave.
In a monopoly, the marginal cost of producing each unit is the same. At the monopoly price, that is. In a duopoly, however, the marginal cost of producing each unit of each product is more than the marginal revenue of each unit. This is why a duopoly gets so much more price resistance than a monopoly.
The difference between a monopoly and a duopoly is that a monopoly has a monopoly price. A duopoly has a monopoly price and some other price point.
The marginal value of a monopolist is very small. It’s the marginal cost of producing each unit of each product. In a monopoly, the marginal value of each unit is the marginal profit on each unit. In a duopoly, the marginal value of each unit is the marginal price on each unit. Therefore, a duopoly makes more profits than a monopoly.
The more complicated the monopoly, the more complicated the duopoly. The more complicated the duopoly, the more competitive the market. There are two types of monopoly: a monopoly with one producer and one consumer, and a monopoly with multiple producers and a consumer. The former is often called a single-producer monopoly, and the latter is either a de facto de facto monopoly, or a double-decker monopoly.
