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...

1. The Attribute of Rural “Long Tail” Public Service -- 2. Factors of the Imbalance of Rural “Long Tail” Public Services -- 3. Calculation of the Imbalance of Rural “Long Tail” Public Services -- 4. Correction Mechanism of the Imbalance of Rural “Long Tail” Public Services -- 5....

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...

Purpose The paper sets out to understand the key issues that the various functions and optimal allocation of NGOs (non-governmental organizations) in the circular economy that provide public services depend not only on external quantities or densities but also on their internal size of human...