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.

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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Get complete concept after watching this video Specially for CSVTU students Topics covered in playlist : Matrix (Introduction), Types of Matrices, Rank of Matrices (Echelon form and Normal form), System of Linear Equations (Consistent and Inconsistent Equations) (Unique solution, Infinite solutions, No solution), Symmetric and Skew Symmetric Matrices, Orthogonal Matrices, Eigen Values and Eigen Vectors,…

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