The expansion of the Beijing subway system is driving collaborative innovation by reducing travel costs and increasing matches among highly productive inventors
Labeled microcredit loans increase the take-up of safe toilets, but take-up and conversion are influenced by intra-household gender differences in perceptions and bargaining power
Traffic fatalities linked to informal transit are a disproportionately large cause of death in many low- and middle-income countries, but providing public information can improve safety
