Yanan Chen

The Impact of the COVID-19 pandemic on gender differences in the returns to schooling: an industry-level perspective

This study examines gender differences in the returns to schooling across industries in the United States before, during, and after the COVID-19 pandemic. Using data from the American Community Survey (ACS) for 2010–2024, our findings indicate that returns to schooling declined f...

Sustainable Recovery of Platinum Group Metals via Oxysalt Phase Reconstruction and Subsequent Deep Eutectic Solvent Leaching

Abstract The recycling of platinum group metals (PGMs) underpins sustainable development across semiconductors, new energy devices, and catalytic materials. Efficiently enriching and extracting these sparsely distributed PGMs from solid wastes such as spent catalysts still pose a...