at what rate of rgdp the economy is at full employment? how do you know? explain your answer. explain the state of the economy when aggregate demand is at ad1. how much is the gdp gap when aggregate demand is at ad1 list all the factors that can shift aggregate demand from ad1 to ad3? why as is horizontal at low rates of real gdp? what is the effect of a shift in aggregate demand from ad1 to ad3 on rgdp and price level? choose a submission type