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...

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...

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.

As shown by Tversky and Kahneman (1991), framing an outcome as a loss causes individuals to expend extra effort to avoid that outcome. Since classroom performance is a function of student effort in search of a higher grade, we seek to use loss aversion to encourage student effort. This field...

Do risk disclosures by mutual funds reflect funds’ actual investment risks? Using textual analysis, we examine risk disclosures in funds’ summary prospectuses to determine whether funds do accurately disclose their risks. We first document the types of risks disclosed by funds and study the...

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...

At present, there have been limited research on the improved production performance of alfalfa under the natural drought conditions caused by salicylic acid in the field. In this paper, the effect of different salicylic acid concentrations on the production performance of alfalfa from different...

Using a dataset of listed non-state-owned enterprises in China, we show that politically connected firms have a greater difficulty in obtaining trade credit than non-connected firms. This credit discrimination against politically connected firms strengthens when firms locate in regions with...