We calculate the magnitude of the government consumption multiplier in linearized and nonlinear solutions of a New Keynesian model at the zero lower bound. Importantly, the model is amended with real rigidities to simultaneously account for the macroeconomic evidence of a low Phillips curve...

Recent influential work argue that a gradual increase in sales tax stimulates economic activityin a liquidity trap by boosting inflation expectations. Higher public infrastructure investmentshould also be more expansive in a liquidity trap than in normal times by raising the potentialinterest...

We show that a .scal expansion by the core economies of the euro area would have a large and positive impact on periphery GDP assuming that policy rates remain low for a prolonged period. Under our preferred model speci.cation, an expansion of core government spending equal to one percent of...