Developing countries have seen a rapid rise in population urbanization in the past decades. At the same time, they have participated actively in the process of globalization. However, possible interlinks between population urbanization and trade openness in developing economies have been ignored...

Research has not yet been undertaken on the optimal level of urbanization, notwithstanding the pioneering work of Au and Henderson (2006) on optimal urban concentration. This paper develops two-sector general equilibrium models of urbanization, with and without equity consideration,...

Urban road infrastructure is crucial in determining air pollution. Yet, little is known about the roles played by road width vs. road length. This paper attempts to fill this gap by estimating the effects of road infrastructure on 10-micron particulate matter (PM10) using city-level data from...