The seminal paper on this topic seems to be Anticompetitive Effects of Common Ownership[0] by Azar et al, and there's a whole chapter on this topic in Radical M

The seminal paper on this topic seems to be Anticompetitive Effects of Common Ownership[0] by Azar et al, and there's a whole chapter on this topic in Radical Markets[1], a recent book by Eric Posner and Glen Weyl. Both are worth reading if this is a topic you're interested in. [0] https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2427345 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2427345 [1] https://www.amazon.com/Radical-Markets-Uprooting-Capitalism-Democracy/dp/0691177503/ https://www.amazon.com/Radical-Markets-Uprooting-Capitalism-...