The formation of environmentally persistent free radicals (EPFRs) is always associated with the valence changes of transition metals. The crystalline structures of metal oxides and the role of degradation byproducts in the formation and stabilization of EPFRs have not been fully addressed. In...

AbstractsResiduals of antibacterial drugs (ADs) threaten human health and ecological equilibrium, whereas few efficient treatments have been developed. Herein a high-efficiency photocatalytic treatment was reported to eliminate moxifloxacin (MOX) as a fourth-generation quinolone, using a...

This paper develops a theoretical model to study the economic incentives for a social media platform to moderate user-generated content. We show that a self-interested platform can use content moderation as an effective marketing tool to expand its installed user base, to increase the utility of...

Using a large sample of A-share firms listed in China from 2013 to 2019, we show a positive relation between supplier concentration and firms' leverage adjustment speed. One possible mechanism of this positive relation is the monitoring role imposed by suppliers, which could mitigate agency...

In the era of digital economy, digital service trade (DST) occupies an increasingly important position in international trade and has a significant impact on the low-carbon development of the global economy. This paper investigates the theoretical mechanism of the effect of DST on carbon total...

This paper is the first to investigate the impact of banks’ organizational memory of past history on the conservatism of accounting policy. Specifically, we investigate two types of bad time history: banks’ undercapitalization and the failures of other banks during financial crises. Using a...