I believe there is a thread with other papers but can't seem to find it. Anyway some interesting papers below for those interested:
Pricing power - gross profit margin (and the stability over time) a key metric to look to see if a company has pricing power - Bloomberg Indices - Pricing Power Everywhere Whitepaper (bbhub.io)
Factor investing doesn't appear to be working may have just been data mining? - Why Has Factor Investing Failed?: The Role of Specification Errors by Marcos Lopez de Prado, Vincent Zoonekynd :: SSRN