Extant literatures discuss a firm's security issuance implications of heterogeneous beliefs with explicit assumption that short selling is forbidden. However, it is widely accepted that short sale constraints exist when investors are unable to short stock to the extent they desire. This paper...

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...