Ian Ayres of Yale University has the 401(k) marketplace fuming.
Using data provided to him by a firm that collects information on 401(k) plans,Brightscope, Professor Ayres has calculated the fees paid to plan providers by 46,875 (!) companies. The professor sorted the companies by the assets of their funds into various size buckets and then ranked the companies in each bucket from top to bottom according to how much they paid.