Using GPS data from smartphones, Stanford Institute for Economic Policy Research researchers analyzed movement patterns to compute what they call “experienced segregation” – the amount of people’s exposure to other races as they go about their daily lives. stanford.io/30qCdQq

Measurement of racial segregation can (we hope) help contribute to the body of empirical facts upon which policy builds. Experienced segregation is lower than residential, but varies with factors related to urban planning, such as public transport. siepr.stanford.edu/news/new-measu…

Describing water rights and related regulatory practices that balance trade-off between externalities and transaction costs in surface water allocation, from Billy A. Ferguson and Paul Milgrom nber.org/papers/w32010