Modern investors face a high-dimensional prediction problem: thousands of observable variables are potentially relevant for forecasting. We reassess the conventional wisdom on market efficiency in light of this fact. In our model economy, which resembles a typical machine learning setting, N...

Empirical analyses of climatic event impacts on growth, while critical for policy, have been slow to be incorporated into macroeconomic climate-economy models. This paper proposes a joint empirical-structural approach to bridge this gap for tropical cyclones. First, we review competing empirical...

This paper presents a dynamic general equilibrium model of a taxi market. The model is estimated using data from New York City yellow cabs. Two salient features by which most taxi markets deviate from the efficient market ideal are, first, matching frictions created by the need for both market...

Large numbers of part-time workers around the world, both those who choose to be part-time and those who are there involuntarily and would prefer a full-time job report they want more hours. Full-timers who say they want to change their hours mostly say they want to reduce them. When recession...