Using data across countries and over time we show that women are unhappier than men in unhappiness and negative affect equations, irrespective of the measure used - anxiety, depression, fearfulness, sadness, loneliness, anger - and they have more days with bad mental health and more restless...

We propose a theory-inspired measure of the accessibility of a city's center: the size of the surrounding area from which it can be reached within a specific time. Using publicly available optimal-routing software, we compute these "accessibility zones" for the 109 largest US and European...