The lack of suitable data is a key challenge in ex-post policy evaluations. This paper proposes a novel data to measure local economic activities using vehicle counts in each 500 meter (m) x 500 m tile. The metric is derived from high resolution satellite images using a machine learning...

In recent decades, the world has faced an increasing number of natural and man-made disasters. Such disasters include tsunamis, earthquakes, the current ongoing financial crisis, terrorism, riots, and wars. These disasters generate tremendous social and economic costs, especially for the poor in...