Investors who have the flexibility to invest both long and short can benefit from both “winners” and “losers.” This will be especially advantageous if the latter — the short-sale candidates — are less efficiently priced than the winners — the purchase candidates. This is likely to...

Environmental, social, and governance (ESG) considerations play an increasingly important role in investment decisions. Due to data vendors’ lack of a common framework for creating ESG ratings, substantial disparities exist across vendors in their ESG ratings for the same company. ESG rating...