The exponential growth in demand of mobile Internet urges mobile network operators (MNOs) to increase the supply of wireless network capacity at a high pace. From this perspective, operators should not only obtain further network capacity but also make a more efficient use of the existing...

This paper empirically examines the causal effects of population concentration on household consumption in China and explores the underlying mechanisms. After addressing endogeneity concerns from various sources, our results show that a 1% increase in urban population density leads to a 0.43...