The launch of Viagra in April 1998 led to a historically unprecedented high usage of erectile dysfunction (ED) drugs. We test whether Viagra's introduction significantly influenced outcomes for its target population such as STD rates of older men, as well as its non-target populations, such as...

This paper documents the negative link between the age of Russian cities and their average wage. This link is robust to various definitions of city age and sample censuring, the inclusion of regional and time fixed effects, dependent variable spatial lag and many urban characteristics. This link...