I analyze the effects of ethnic divisions on the provision of public goods. Using OpenStreetMap data, I construct a new global dataset of locations of public amenities, such as schools, hospital and libraries. I allow for the possibility that the data may be systematically incomplete using two...

This paper presents a new global dataset on the geocode locations of public amenities, e.g., schools, hospitals or libraries, based on OpenStreetMap data. Volunteered geocoded information can be systematically incomplete; therefore, we develop and study two new proxies for the degree of...

In Japan, recent low birthrate and aging population have progressively led to a crisis for infrastructure. In particular, the quantity of drainage from homes and factories is remarkably decreasing, along with the decline of economic activity resulting from the overseas move of Japanese...