"PEPs provide economies of scale that may result in lower administrative costs, increased efficiencies ... PEPs may be appealing for employers from a litigation risk management standpoint, as they allow for the outsourcing of fiduciary responsibilities to third parties, namely, the pooled plan provider.... [F]or private equity sponsors, PEPs can offer a quick and easy solution for portfolio companies, especially in the carve-out context where we need to get employees of the spun-off company enrolled in a plan in short order. [Podcast, with transcript.]"