This paper finds that labor tax cut can be an effective policy tool to mitigate the negative effects of a shock that made the zero lower bound on the nominal interest rate binding if the economy features rule-of-thumb households (besides Ricardian ones) and nominal rigidities in prices and...

We generalize a simple New Keynesian model and show that a flattening of the Phillips curve reduces the size of fiscal multipliers at the zero lower bound (ZLB) on the nominal interest rate. The factors behind the flatting are consistent with micro- and macroeconomic empirical evidence: it is a...