In a standard dynamic stochastic general equilibrium framework, with sticky prices, the cross sectional distribution of output and inflation across a population of firms is studied. The only form of heterogeneity is confined to the probability that the ith changes its prices in response to a...

Standard New Keynesian (NK) models feature an optimal inflation target well below two percent, limited welfare losses from business cycle fluctuations and long-term monetary neutrality. We develop a NK framework with labour market frictions, endogenous productivity and downward wage rigidity...

Inflation in low-income countries is often high and volatile, driven by external shocks. In addition, inflation in fragile states is affected by highly volatile domestic factors that complicate monetary policy’s ability to deliver price stability. We estimate the drivers of inflation in Guinea...