New Keynesian economics An AS AD view ScienceDirect
The AS curve shifts to the right when the short run current natural rate of output increases y n ↑ because of an increase in short run productivity a ↑ an increase in short run public spending g ↑ or a fall in short run mark up μ ↓ itself due to either a fall in short run monopoly power μ θ ↓ or in short run tax rates