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IS/LM model

Keynesian macroeconomic model about interest rates and assets markets that places general equilibrium (simultaneous equilibria in goods/asset markets) at the intersection of “investment–saving” (IS) and “liquidity preference–money supply” (LM) curves

The IS/LM model is a tool that shows the relationship between interest rates and real output in "the goods and services market" and "the money market". IS/LM model is used in Macroeconomics. The point of meet of the IS curve and the LM curve is "general equilibrium". At general equilibrium, there is same equilibrium in both markets. The letters I and S of the IS curve express Investment-Saving. The letters L and M of the LM curve express Liquidity preference—Money supply. This model makes clear an effect of either a fiscal policy or a monetary policy.