ECON 1040 Lecture Notes - Lecture 13: Monetary Policy, Aggregate Demand, Counterintuitive

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31 Aug 2018
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Individual level: why would people spend more during a recession, counterintuitive, macroeconomic level, one person spending increases income for another, recall multipliers: money gets spent multiple times. Multipliers: two multiplier concepts, spending by one person becomes income to others. Increases in income lead to increases in consumption: marginal propensity to consume (mpc, portion of additional income that is spent on consumption, = (cid:3042)(cid:3041)(cid:3046)(cid:3048)(cid:3040)(cid:3043)(cid:3047)(cid:3042)(cid:3041) (cid:3041)(cid:3042)(cid:3040: notes about mpc, mpc is not constant across all people, (cid:1004) mpc (cid:1005, mpc multiplier illustration, suppose mpc = 0. 75. If go(cid:448)er(cid:374)(cid:373)e(cid:374)t i(cid:374)(cid:272)reases [g] (cid:271)(cid:455) (cid:1004)(cid:1004) (cid:271)illio(cid:374) : workers get billion in income, spend billion, other people get billion in income, they spend . 25 billion. Lower-income people and countries have a higher mpc than their wealthier counterparts: higher income usually means your basic needs have been met, additional income is more likely to be saved for the future, relationship to multiplier.

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