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Producer surplus, or producers' surplus, is the amount that producers benefit by selling at a market price that is higher than the least that they would be willing to sell for; this is roughly equal to profit (since producers are not normally willing to sell at a loss and are normally indifferent to selling at a break-even price).
The maximization of producer surplus can in some cases reduce consumer surplus. [15] Some forms of producer profit maximization are considered anti-competitive practices and are regulated by competition law. [15] Maximization of short-term producer profit can reduce long-term producer profit, which can be exploited by predatory pricing such as ...
[20] [page needed] [21] This allows the application of Milgrom and Segal's (2002, Theorem 4) envelope theorem for saddle-point problems, [5] under the additional assumptions that is a compact set in a normed linear space, and are continuous in , and and are continuous in (,).
A reservation price can be used to help calculate the consumer surplus or the producer surplus with reference to the equilibrium price. The reason why consumers are able to experience a surplus is due to single pricing, which put simply is the same price being charged to every consumer at a given level of output. Some buyers are therefore ...
By economic surplus is meant all production which is not essential for the continuance of existence. That is to say, all production about which there is a choice as to whether or not it is produced. The economic surplus begins when an economy is first able to produce more than it needs to survive, a surplus to its essentials.
Mathematically, the general rule a monopoly uses to maximize monopoly profit can be derived through simple calculus. The basic equation for economic profit, in which the total economic cost varies directly with the quantity produced, can be expressed as = (), where = quantity sold,
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This relationship holds true for all linear demand equations. The importance of being able to quickly calculate MR is that the profit-maximizing condition for firms regardless of market structure is to produce where marginal revenue equals marginal cost (MC). To derive MC the first derivative of the total cost function is taken.