In tourism statistics it is becoming more and more important to identify data sources that are more timely and cheaper than the traditional ones, such as surveys. In this paper, we investigate how mobile phone data (MPD), electronic payments data and internet search data (Google Trends) can...

A few sufficient statistics can identify the aggregate effects of distortions to firm investment in a class of general equilibrium models that can accommodate rich general equilibrium effects including endogenous firm entry. This result does not depend on the microfoundation of the distortion;...