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  2. Economic surplus - Wikipedia

    en.wikipedia.org/wiki/Economic_surplus

    The consumer's surplus is highest at the largest number of units for which, even for the last unit, the maximum willingness to pay is not below the market price. Consumer surplus can be used as a measurement of social welfare, shown by Robert Willig. [8] For a single price change, consumer surplus can provide an approximation of changes in welfare.

  3. Williamson tradeoff model - Wikipedia

    en.wikipedia.org/wiki/Williamson_tradeoff_model

    This means that the amount of consumer surplus, the area below the demand curve and above the price, will be lower. [4] The change in overall social surplus of the market depends on whether the increase in producer surplus due to lower production costs is larger or smaller than the fall in consumer surplus due to higher prices. Note that it is ...

  4. Gains from trade - Wikipedia

    en.wikipedia.org/wiki/Gains_from_trade

    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. [9]

  5. Deadweight loss - Wikipedia

    en.wikipedia.org/wiki/Deadweight_loss

    The producer surplus always decreases, but the consumer surplus may or may not increase; however, the decrease in producer surplus must be greater than the increase, if any, in consumer surplus. Deadweight loss can also be a measure of lost economic efficiency when the socially optimal quantity of a good or a service is not produced.

  6. Tax wedge - Wikipedia

    en.wikipedia.org/wiki/Tax_wedge

    Deadweight loss is the reduction in social efficiency (producer and consumer surplus) from preventing trades for which benefits exceed costs. [2] Deadweight loss occurs with a tax because a higher price for consumers, and a lower price received by suppliers, reduces the quantity of the good sold. [2]

  7. Price discrimination - Wikipedia

    en.wikipedia.org/wiki/Price_discrimination

    The resulting profit is equal to the sum of consumer surplus and seller surplus. [22] This is the most profitable realm as each consumer buys the good at the highest price they are willing to pay. [22] The marginal consumer is the one whose reservation price equals the seller's marginal cost.

  8. Production (economics) - Wikipedia

    en.wikipedia.org/wiki/Production_(economics)

    Products can be physical goods, immaterial services and most often combinations of both. The characteristics created into the product by the producer imply surplus value to the consumer, and on the basis of the market price this value is shared by the consumer and the producer in the marketplace. This is the mechanism through which surplus ...

  9. Excess supply - Wikipedia

    en.wikipedia.org/wiki/Excess_supply

    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 ...