The Keynesian Crossplanned expenditure and income
Investment and the interest rateI(r)
The IS curveevery (Y, r) pair where the goods market clears
The money marketsupply and demand for real money balances
The LM curveevery (Y, r) pair where the money market clears
IS and LM togetherboth markets clear at one point
Aggregate demand and supplyoutput and the price level