Companies often hire third party administrators (TPAs) to manage their respective 401(k) plans. Some companies simply provide documentation and advice; however, other TPAs actually offer their own proprietary (in-house) funds as investment alternatives. New research () shows that these funds often carry higher fees and have lower returns, illustrating the impact of a conflict of interest. This is particularly pronounced for banks and insurance companies acting as TPAs.
Dolvin, Steven D., "Conflict of Interest in 401(k) Funds" (2016). All Chapters. 158.