# Monopoly supply curve. monopoly supply curve 2019-03-03

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## Untitled Because the monopolist's supply decision cannot be set out independently of demand. The power company in a given area and professional sports teams are examples of monopolies. There is no so supply curve of a price-maker. Price Elasticity of Demand The elasticity of demand is the absolute value of the percentage change in the quantity demanded divided by the percentage chang e in price. A monopolist is free to set prices or production quantities, but not both because he faces a downward-sloping demand curve.

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## How to find monopoly price and quantity Moreover, higher prices embody greater incentives for firms to produce more output because profit opportunities are enhanced. Well, it is the amount of money a firm takes in from selling one more unit of the good. Monopolies may use their supernormal profits and to pay lower prices to suppliers. A movement up supply curve is due to the increase in quantity supplied instead of the increase in supply. So, in this market, the producers earn 400 units more wealth, the consumers earn 800 units less, and the market generates 400 fewer units of wealth. They will choose smaller unit profit, not the maximum one, because additional sales add to total revenue. What happens to the marginal cost curve? At the beginning of the war, Britain simply drew down massive stores of cotton.

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## monopoly supply curve This monopoly faces a typical upward-sloping marginal cost curve, as shown in. In the monopoly market, it is just the sum of the yellow and red areas. In industries with high fixed costs, it can be more efficient to have a monopoly than several small firms. In , the bottom part of the shaded box, which is shaded more lightly, shows total costs; that is, quantity on the horizontal axis multiplied by average cost on the vertical axis. Indeed, the monopoly could seek out the profit-maximizing level of output by increasing quantity by a small amount, calculating marginal revenue and marginal cost, and then either increasing output as long as marginal revenue exceeds marginal cost or reducing output if marginal cost exceeds marginal revenue. Perfect competition and monopoly are opposite structures.

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## Untitled There are counterbalancing incentives here. Marginal Revenue, Marginal Cost, Marginal and Total Profit repeats the marginal cost and marginal revenue data from , and adds two more columns: Marginal profit is the profitability of each additional unit sold. Discriminating Among Individuals Individual price discrimination occurs when price differences are based on an estimate of the group to which an individual custo mer belongs. You will remember that in a competitive market, the demand curve is flat. Demand Curves Perceived by a Perfectly Competitive Firm and by a Monopoly A perfectly competitive firm acts as a price taker, so its calculation of total revenue is made by taking the given market price and multiplying it by the quantity of output that the firm chooses. The pattern of costs for the monopoly can be analyzed within the same framework as the costs of a perfectly competitive firm—that is, by using total cost, fixed cost, variable cost, marginal cost, average cost, and average variable cost.

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## Constructing a Supply Curve under Monopoly A monopoly firm has no well-defined supply curve. If, instead, we charge a lower price on all the units that we sell , we would sell Q 2. Thus, monopolies can also realize normal profit in long run. It will produce one more unit of output only if it adds more to total revenue than to total cost. In a famous 1947 case, the federal government accused the DuPont company of having a monopoly in the cellophane market, pointing out that DuPont produced 75% of the cellophane in the United States. The Rest is History In the opening case, the East India Company and the Confederate States were presented as a monopoly or near monopoly provider of a good. To understand why a monopoly is inefficient, it is useful to compare it with the benchmark model of perfect competition.

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## 9.2 How a Profit Prices of other goods produced, which have two possible relationships: a When the price of a substitute in production rises falls , the supply curve for the good shifts leftward rightward. This clearly shows that there is no unique price-output relationship which is essential for the concept of supply curve to be applicable. That is, the second derivatives of Q L and Q K are negative. Assume a monopoly market demand function such as: D ---- 100 -- 10P. The monopolist cannot merely adjust quantity at a given price, as each quantity change by him will bring about a change in the price at which the product can be sold. But a monopolist can sell a larger quantity and see a decline in total revenue. One objection which could be raised here is that the optimal output of 50 is possibly consistent with some other optimal price, should there be a change in the price coefficient.

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## How to find monopoly price and quantity There are some prices for which monopolists will get smaller-than-maximum profit, so they will try to avoid them. Usually its upwards sloping, i. Posner In a competitive market, wealth is the sum of the red, yellow, and blue areas. Total revenue will be Q 1 multiplied by P 1. Each additional unit sold by a monopolist will push down the overall market price, and as more units are sold, this lower price applies to more and more units. But first, consider how a monopoly works.

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## Absence of Supply Curve under Monopoly See the following Clear it Up feature for the answer to this question. It is quite easy to answer this question with a supply and demand diagram. Identify the new profit-maximizing quantity and price. There is no supply curve under monopoly because, there is no unique price-quantity relationship, since quantity supplied by a firm under monopoly is not determined by price but in­stead by marginal revenue, given the marginal cost curve. Of the choices given in the table, the highest profits occur at an output of 4, where profit is 800. To sell one more unit of output, the firm must lower its price, meaning that the revenue received is less than that received for the previous unit marginal revenue received for unit 2 is less than that for unit 1.

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