Water chromium (Cr) contamination is prevalent due to the rapid development of industry, thus making it urgent in toxic hexavalent Cr(VI) removal from wastewater with efficient methods. Green tea polyphenols (TPs) wrapped nano-zero-valent iron (GT-nZVI) has great potential in the removal of most...

Flue gas desulfurization (FGD) gypsum, a byproduct of carbon-based energy sources, has typically been incorporated as a component of concrete mixes and wallboard and beneficially used as an agricultural amendment to enhance crop production and improve the quality of runoff. These various uses...

Purpose: The purpose of this study is to investigate the impact of non-founder CEO succession on firms’ research and development (R&D) decision, and further explore its mechanism and economic consequences. Design/methodology/approach: Using founders’ personal-level information of...

University of Minnesota Ph.D. dissertation. August 2011. Major. Economics. Advisors: Timothy J. Kehoe, Fabrizio Perri. 1 computer file (PDF); x, 90 pages, appendices A-B.

This paper studies short sellers' trading strategies and their effects on the financial market by examining their accusations of fraud against Chinese reverse merger firms (CRMs) in the US. We find that short sellers rely on firms' fundamental information, especially relative financial...

We revisit the effect of trade openness on environmental quality by utilizing data on the air visibility of 134 countries during 1961–2004. We find a significantly negative impact of trade openness on air quality, not only for developing economies, but also for developed ones. This finding is...

This paper studies short sellers’ trading strategies and their effects on the financial market by examining their accusations of fraud against Chinese reverse merger firms (CRMs) in the US. We find that short sellers rely on firms’ fundamental information, especially relative financial...