The influences of alkali and alkali–earth salts on the combustion of municipal solid waste (MSW) have been studied by thermogravimetric analysis (TGA). In the presence of alkali and alkali–earth salts, the combustion of MSW become easier than that of non-catalyzed MSW. By comparing the...

The geographic location of crowdsourcing participants greatly affects the quality of spatial crowdsourcing task assignments. Most existing studies used grid models to describe locations, resulting in a drop in accuracy and ignoring the correlations between tasks in urban road networks. In...

Purpose – The purpose of this paper is to conduct an empirical analysis of the trading performance of US corporate insiders. Design/methodology/approach – Based on the volume weighted average price (VWAP), the authors propose a metric to measure the trading performance of US corporate...

Purpose – The purpose of this paper is to provide some rational perspectives for the flight‐to‐liquidity event rather than simply attributing it to the change in investor sentiment. Design/methodology/approach – The paper builds a model to highlight the inherent difference in investors'...

Purpose – The purpose of this paper is to investigate how insiders’ trades are executed and whether and how outside investors can mimic outperforming insiders and reap substantial portfolio returns that withstand the erosion from adjustments for both the standard factors and stock...