Please help with 4,5 and 6

b) From the equation of exchange, if both nominal income and the quantity of money (M) have doubled, while the price level (P) has increased by 50 percent and velocity (V) remains constant, then real output (Y 5. a) The IS curve reflects the relationships between aggregate output and the real interest rate when the goods market is in equilibrium: 5. b) In the above equation, what are the six (autonomous) factors that shifts the IS curve from ISI to IS2 (graph below) and what caused the movement from A to B along the curve? What caused the movement along the IS curve? Explain IS Graph Real Interest Rat percent) Aggregate Output Y (S trillions) 6. a) Paul M.Romer, an American economist, professor of NY University and former chief economist at the World Bank, was awarded Nobel Prize in