>This is the key problem when a market-maker is also a market participant. Yes! During the last US election cycle I thought Elizabeth Warren was smart to make

>This is the key problem when a market-maker is also a market participant. Yes! During the last US election cycle I thought Elizabeth Warren was smart to make a point of this about Amazon... I don't think this issue gets enough attention and very few people seem to care. There are numerous ways this is an unfair practice, and the problem gets worse as the marketplace owner continues to grow and devour competitors. https://www.businessinsider.com/elizabeth-warren-criticizes-amazon-for-seller-practices-2018-9 https://www.businessinsider.com/elizabeth-warren-criticizes-...