This paper tests the relationship between primacy and economic development for countries in Asia and the Americas. It tests explanations for primacy drawn from several social-science disciplines - demography, economics, geography, political science, and sociology. The study is one of the first...

We investigate the relationship between the extent of a city's subway network, its population and its spatial configuration. For the 632 largest cities in the world we construct panel data describing population, measures of centralization calculated from lights at night data, and the extent of...

We investigate the relationship between the extent of a city's subway network, its population and its spatial configuration. For the 632 largest cities in the world we construct panel data describing population, measures of centralization calculated from lights at night data, and the extent of...