Are quantitatively important real rigidities present in the data? The answer appears to depend on what data one looks at. Recent studies using price data underlying US CPI index provide evidence suggesting a limited role for real rigidities. Evidence from international prices, however, points...

Adjustment primarily occurred through existing importers and exporters changing their product mix. This implies that the macroeconomic impact of such rapid external adjustment does not come from the two channels most focused on in the literature: it does not result from the reallocation of...

We consider a dynamic Mirrlees economy in a life cycle context and study the optimal insurance arrangement. Individual productivity evolves as a Markov process and is private information. We use a first order approach in discrete and continuous time and obtain novel theoretical and numerical...

which takes the form of a minimum liquidity requirement coupled with monitoring of the quality of liquid assets. We establish the robustness of our insights when the set of bailout instruments is endogenous and characterize the structure of optimal bailouts.