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Indifference Curves quiz

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  • What does an indifference curve represent in economics?
    An indifference curve shows all combinations of two goods that provide the same level of utility or satisfaction to a consumer.
  • How is utility defined in the context of indifference curves?
    Utility is the satisfaction or happiness a consumer receives from consuming goods, measured in abstract units called utils.
  • What is marginal utility?
    Marginal utility is the additional satisfaction gained from consuming one more unit of a good.
  • What does the law of diminishing marginal utility state?
    It states that as a person consumes more of a good, the additional satisfaction from each extra unit decreases.
  • How is the marginal rate of substitution (MRS) defined?
    The MRS is the amount of one good a consumer is willing to give up to obtain one more unit of another good while keeping utility constant.
  • What does the slope of an indifference curve represent?
    The slope of an indifference curve at any point is the marginal rate of substitution between the two goods.
  • Why are indifference curves downward sloping?
    They are downward sloping because to maintain the same utility, if you consume less of one good, you must consume more of the other.
  • Why do indifference curves bow inward (are convex to the origin)?
    They bow inward because of diminishing marginal utility; as you have less of one good, you are willing to give up more of the other to get it.
  • Can indifference curves ever cross? Why or why not?
    No, indifference curves can never cross because each curve represents a different level of utility, and a single bundle cannot provide two different utility levels.
  • What does a higher indifference curve indicate compared to a lower one?
    A higher indifference curve indicates a higher level of utility and greater consumption than a lower one.
  • What is an indifference curve map?
    An indifference curve map is a collection of indifference curves showing different levels of utility for a consumer.
  • If a consumer is willing to give up 3 vodkas for 1 more beer, what is the MRS?
    The marginal rate of substitution (MRS) is 3, meaning the consumer will trade 3 vodkas for 1 beer to stay equally satisfied.
  • What happens to the MRS as you move along an indifference curve?
    The MRS typically decreases as you move along the curve, reflecting that the consumer is less willing to give up one good for another as they have less of it.
  • Why is utility considered an abstract concept in economics?
    Utility is abstract because it measures satisfaction, which cannot be directly quantified or compared between individuals.
  • What must happen to the consumption of one good if the consumption of the other decreases, to remain on the same indifference curve?
    The consumption of the other good must increase to keep the consumer's utility unchanged and remain on the same indifference curve.