To examine the effect of high quality imports on green innovation, this research employs a time-varying difference-in-differences (DID) technique. Our analysis suggests that high quality imports promote green innovation in China. Heterogeneity analysis results show a different impact of high...

Utility and users are two important subjects in power dispatching, and each participant wants to maximize its benefits. That is to say, utility and users are engaged in an interest game with each other. In this paper, a day-ahead economic dispatch strategy which can solve mixed integer...

A clear understanding of customer needs is key to the success of new product development and customer-centric product design. Online reviews, particularly initial reviews, are commonly used as effective sources for mining customer requirements. Although customers may post truer and more...

Expected shortfall (ES) is a popular risk measure and plays an important role in risk and portfolio management. Recently, change-point detection of risk measures has been attracting much attention in finance. Based on the self-normalized CUSUM statistic in Fan, Glynn and Pelger (2018) and the...

This study aims to construct a quantitative model of the dynamic influence of electric vehicle sales in the United States on bioethanol consumption and bioethanol production. The final research results have shown that there is a long-term equilibrium relationship in our multivariate vector...