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  2. Marginal utility - Wikipedia

    en.wikipedia.org/wiki/Marginal_utility

    The marginal utility, or the change in subjective value above the existing level, diminishes as gains increase. [17] As the rate of commodity acquisition increases, the marginal utility decreases. If commodity consumption continues to rise, the marginal utility will eventually reach zero, and the total utility will be at its maximum.

  3. Distributive efficiency - Wikipedia

    en.wikipedia.org/wiki/Distributive_efficiency

    The law of diminishing marginal utility implies that poorer people will gain more utility from money for additional spending than the wealthy. For instance, if a homeless family is given a gift certificate for a house, they will be able to use it to provide shelter for themselves.

  4. Value (economics) - Wikipedia

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

    According to this theory, the consumer places a value on a commodity by determining the marginal utility, or additional satisfaction of one additional unit. [ 20 ] [ 21 ] Marginalism employs concepts such as marginal utility , marginal rate of substitution , and opportunity costs [ 22 ] to explain consumer preferences and price.

  5. Consumer choice - Wikipedia

    en.wikipedia.org/wiki/Consumer_choice

    The theory of consumer choice is the branch of microeconomics that relates preferences to consumption expenditures and to consumer demand curves.It analyzes how consumers maximize the desirability of their consumption (as measured by their preferences subject to limitations on their expenditures), by maximizing utility subject to a consumer budget constraint. [1]

  6. Economic efficiency - Wikipedia

    en.wikipedia.org/wiki/Economic_efficiency

    A market can be said to have allocative efficiency if the price of a product that the market is supplying is equal to the marginal value consumers place on it, and equals marginal cost. In other words, when every good or service is produced up to the point where one more unit provides a marginal benefit to consumers less than the marginal cost ...

  7. Economic surplus - Wikipedia

    en.wikipedia.org/wiki/Economic_surplus

    Because the demand curve is downward sloping, there is diminishing marginal utility. Diminishing marginal utility means a person receives less additional utility from an additional unit. However, the price of a product is constant for every unit at the equilibrium price.

  8. Marginal rate of substitution - Wikipedia

    en.wikipedia.org/wiki/Marginal_rate_of_substitution

    Under the standard assumption of neoclassical economics that goods and services are continuously divisible, the marginal rates of substitution will be the same regardless of the direction of exchange, and will correspond to the slope of an indifference curve (more precisely, to the slope multiplied by −1) passing through the consumption bundle in question, at that point: mathematically, it ...

  9. Robinson Crusoe economy - Wikipedia

    en.wikipedia.org/wiki/Robinson_Crusoe_economy

    Recall that the marginal rate of substitution is the rate at which a consumer is ready to give up one good in exchange for another good while maintaining the same level of utility. [6] Additionally, an input's marginal product is the extra output that can be produced by using one more unit of the input, assuming that the quantities of no other ...