areas, to analyze the relationship between density of economic activity and individual wages. The analysis is based on 250 … resolution. A doubling of density in a 250 meter square is associated with a 3.7 percent increase in wages, holding individual …

the continuity of the density of the running variable at the cut-off, e.g., McCrary (2008). In this paper we propose a new … test for continuity of a density at a point based on the so-called g-order statistics, and study its properties under a …