The traditional short-run phillips curve implies a powerful role for monetary policy. according to the theory, place the events in order based on what happens when the central bank unexpectedly expands the money supply. a. the economy is in equilibrium at full employment (u = u") b. the central bank injects new moneyinho the money supply c. aggregate demand inereaser d. the inflation rate rises and the urienpieybientr tes ta new equilibrium where