ECON 110 Chapter Notes - Chapter 25: Shortage, Investment Goods, Aggregate Supply

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ECON 110 Full Course Notes
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ECON 110 Full Course Notes
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Chapter 25: the difference between short-run and long-run macroeconomics. The value of potential gdp is estimated by combining three pieces of information: the amounts of available factors of production, and estimate of these factors". Normal rate of utilization, and an estimate of each factor"s productivity. When studying long-run trends in gdp, economists focus on changes in potential output. When studying short-run fluctuations, economists focus on the change in the output gap. There are two main factors of production that account for most of the change in the economy"s factor supply. Labour supply doesn"t usually change significantly from year to year long run changes. Firms that choose to purchase or build investment goods today are accumulating physical capital that will be used to produce output in the future. Today"s flow of investment expenditure adds to the economy"s stock of physical capital. Changes tend to happen very gradually important for explaining l-r changes, not s-r.

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