We show that if business cycles are driven by financial shocks, the interplay between the effective lower bound (ELB) and the costs of external financing can generate an additional supply-side channel, which causes a disconnect between inflation and output. In normal times, factor costs dominate...

The recently observed disconnect between inflation and economic activity can be explained by the interplay between the zero lower bound (ZLB) and the costs of external financing. In normal times, credit spreads and the nominal interest rate balance out; factor costs dominate firms' marginal...

This paper analyzes the cost of disinflations under real wage rigidities in a micro-foundedNew Keynesian model. The consensus is that real wage rigidities can be a useful mechanismto induce the inflation persistence that is absent in the standard Calvo model...

This thesis consists of four essays in empirical macroeconomics. The first three essays examine the conduct of monetary policy during a disinflationary and deflationary era, with the policy interest rates close to or at the zero bound. The questions of interest include the potency of the...