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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. Law of demand - Wikipedia

    en.wikipedia.org/wiki/Law_of_demand

    Income elasticity of demand is an economic measurement tool developed to measure the sensitivity of a goods quantity demanded when there is a change in the real income of a consumer. To calculate the income elasticity of demand, the percentage change in quantity demanded is divided by the percentage change in the consumers income.

  4. 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.

  5. Marshallian demand function - Wikipedia

    en.wikipedia.org/wiki/Marshallian_demand_function

    Hence, the utility is held constant along the demand curve. When the marginal utility of income is constant, or its value is the same across individuals within a market demand curve, generating net benefits of purchased units, or consumer surplus is possible through adding up of demand prices.

  6. 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.

  7. Economic system - Wikipedia

    en.wikipedia.org/wiki/Economic_system

    The theory of pricing, in this context, has to do with the economic decision-making between the production of capital goods and consumer goods in the economy in the face of scarce resources. In this regard, the critical evaluation of the needs of the society based on population distribution in terms of age, sex, occupation, and geography is ...

  8. Gross domestic product - Wikipedia

    en.wikipedia.org/wiki/Gross_Domestic_Product

    Gross operating surplus (GOS) is the surplus due to owners of incorporated businesses. Often called profits, although only a subset of total costs are subtracted from gross output to calculate GOS. Gross mixed income (GMI) is the same measure as GOS, but for unincorporated businesses. This often includes most small businesses.

  9. Surplus economics - Wikipedia

    en.wikipedia.org/wiki/Surplus_economics

    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.