Use the Keynesian cross (aggregate demand model) to show the effect of an increase in autonomous investment on the economy. (10 marks)

Question: 1. Please answer following parts in this question. (30 marks)

  1. Use the Keynesian cross (aggregate demand model) to show the effect of an increase in autonomous investment on the economy. (10 marks)
  • Discuss the path of the economy as it adjusts to the new medium-run equilibrium. Why does the economy not continue to expand? (10 marks)
  • Why is investment spending likely to be more volatile than consumption spending? (10 marks)