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In mainstream economics, economic surplus, also known as total welfare or total social welfare or Marshallian surplus (after Alfred Marshall), is either of two related quantities: Consumer surplus , or consumers' surplus , is the monetary gain obtained by consumers because they are able to purchase a product for a price that is less than the ...
In economics, an excess supply, economic surplus [1] market surplus or briefly supply is a situation in which the quantity of a good or service supplied is more than the quantity demanded, [2] and the price is above the equilibrium level determined by supply and demand. That is, the quantity of the product that producers wish to sell exceeds ...
A measure of total gains from trade is the sum of consumer surplus and producer profits or, more roughly, the increased output from specialization in production with resulting trade. [8] Gains from trade may also refer to net benefits to a country from lowering barriers to trade such as tariffs on imports .
Allocative efficiency is a state of the economy in which production is aligned with the preferences of consumers and producers; in particular, the set of outputs is chosen so as to maximize the social welfare of society. [1] This is achieved if every produced good or service has a marginal benefit equal to the marginal cost of production.
The profit-maximizing output level is represented as the one at which total revenue is the height of and total cost is the height of ; the maximal profit is measured as the length of the segment ¯. This output level is also the one at which the total profit curve is at its maximum.
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.
When a firm with absolute market power sets the monopoly price, the primary objective is to maximize its own profits by capturing consumer surplus and maximizing its own. A monopoly accomplishes this by setting a price above its marginal cost and producing at a quantity that meets market demand and corresponds to the set price
Allocative efficiency takes into account the preferences of the consumers and the efficient allocation of resources. Graphically this point is reached when price is equal to marginal cost. At this point there is no deadweight loss, and the social surplus (consumer surplus + producer surplus) is maximized.