Do cities with higher administrative hierarchies always enjoy higher intercity connections? Based on an innovation of twin cities (Chengdu-Chongqing) in China, this paper uses machine learning methods (linear model, support vector machines, neural network and random forest) to predict the...

Based on 2010 China Family Panel Studies, we use Ordered Probit, Instrumental Variables, and Conditional Mixed Process to analyze the effect of different ways of love on after-marriage well-being. The findings are: (i) Compared with arranged marriage, free love can significantly increase the...

In the traditional human capital framework, education is often considered as an investment, rather than consumption, while consumption is not necessarily precluded. Whether education is an investment is empirically unclear and relatively under-explored. We shed light on this issue by estimating...