In most developing countries, irrigation, road, and power networks are not in good condition. In Latin America, for example, the effectiveness of such public infrastructure is only about 74% of that of industrialized countries. Low effectiveness imposes a cost on these countries in terms of...

Which Americans experience the worst infrastructure? What are the costs of living with that infrastructure? We measure road roughness throughout America using vertical acceleration data from Uber rides across millions of American roads. Our measure correlates strongly and positively with other...