Capital mobility may equalize investment opportunities across industries, and further, may cause the return-risk trade-offs of industry portfolios to converge. We show that over an extended period from 1926 to 2014, value-weighted industry portfolios based on Fama-French 5, 10, 12, 17, 30, and...

Developing cost-effective platinum group materials (PGM)-free cathode catalysts for the oxygen reduction reaction (ORR) to replace the state-of-the-art noble metal is essential for the commercialization of microbial fuel cells (MFCs). Fe-N-C catalysts are regarded as one of promising candidates...