EC140 Lecture 5: one class notes- chapter 21

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24 Jan 2019
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Chapter 21- the simplest short- run macro model: desired expenditures (aggregate demand) = actual expenditure= actual output, actual expenditures= how much households and firms actually spend each year (real. Gdp: y(a)=c(a)+i(a)+g(a)+[x(a)-im(a), desired aggregate expenditures = how much households and firms want to spend each year (aggregate expenditure=ae) Households who earn income, consume and save desired consumption . Those who make decisions about the demand for new capital goods in society. Desired consumption: households make decisions about how to spend disposable income denoted yd. What determines desired consumption: the short-sighted view - c depends almost entirely on yd - when yd is low c is low; when. Sometimes the function written this way is called a keynesian consumption function: the forward-looking view says that households plan today"s consumption with the future in mind . if i know i am going to retire , save for the future.

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