Production Possibilities Curve as a model of a country's economy AP Macroeconomics Khan Academy

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In this video Sal explains how the production possibilities curve model can be used to illustrate changes in a country's actual and potential level of output. Concepts covered include efficiency, inefficiency, economic growth and contraction and recession.
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AP Macroeconomics on Khan Academy: Welcome to Economics! In this lesson we'll define Economic and introduce some of the fundamental tools and perspectives economists use to understand the world around us!
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