The taxation of realized capital gains creates a lock-in effect, increasing an investor's expected holding period. We show that the unrealized capital gains of mutual funds are positively associated with the earnings quality of their portfolio firms. Consistent with tax-induced lock-in, the...

Colorimetric and chemoresistive gas sensing methods have aroused great interest in H2S monitoring due to their unique merits of naked-eye readout, and highly sensitive and rapid detection. However, combining these two methods for gas detection, especially utilizing one material as their common...

The mobilization and enrichment of arsenic(As) in groundwater is considered to be mainly affected by microbial dissimilation reduction, however competitive adsorption and complexation of natural organic matter(OM) complicate its mobilization in field scene. High concentration of biodegradable OM...