a.Calculate the price elasticity of DEMAND when the price is $80. __(31)__

Q3. An economy has full-employment output of 5000. Government purchases are 1000. Desired consumption and desired investment are given byCd=3000-2000r+0.10y rd =1000-4000r where Y is output and r is the real interest rate. The real interest rate that clears the goods market is equal to__(36)__.