In this paper we propose a novel methodology to analyze optimal policies under model uncertainty in micro-founded macroeconomic models. As an application we assess the relevant sources of uncertainty for the optimal conduct of monetary policy within (parameter uncertainty) and across models...

Immigration Economics synthesizes the theories, models, and econometric methods used to identify the causes and consequences of international labor flows. Economist George Borjas lays out with clarity and rigor a full spectrum of topics, including migrant worker selection and assimilation, the...