Share repurchase conveys information to investors and influences stock price in capital market. Normally when a company announces share buyback, the company's stock price will rise immediately. Thus, some insiders may take advantage of this pattern and create a fake repurchase event. When the...

In order to address the problems of poor treatment effect of coal chemical wastewater (CCW) biochemical treatment system resulting in non-compliance with effluent standards and unstable operation, a combination regulation method of co-substrate metabolism and predominant flora enhancement was...

Share repurchase conveys information to investors and influences stock price in capital market. Normally when a company announces share buyback, the company's stock price will rise immediately. Thus, some insiders may take advantage of this pattern and create a fake repurchase event. When the...

This paper measures the exposure of industries and occupations to 40 digital technologies that emerged over the past decade and estimates their impact on European employment. Using a novel approach that leverages sentence transformers, we calculate exposure scores based on the semantic...

This paper measures the exposure of industries and occupations to 40 digital technologies that emerged over the past decade and estimates their impact on European employment. Using a novel approach that leverages sentence transformers, we calculate exposure scores based on the semantic...

Urban competitiveness aids local development by encouraging the exploitation of opportunities for economic development and by enhancing overall performance. Previous studies have evaluated urban competitiveness primarily from an economic perspective and few studies have considered locational...

Public environmental concern, emanating from online forums, can enhance pollution regulation discussions and address apparent shortfalls of the way governments manage pollution. To better understand this issue, our study uses microscopic panel data from 41 cities in the Yangtze River Delta in...

Recently, α -Ga 2 O 3 nanorod arrays (NRAs) based deep ultraviolet (DUV) photodetectors attract more and more attention in the optoelectronic field due to their wide bandgap, highly effective detection area, and simple preparation method. Unfortunately, the large number of defects in the α -Ga...