Have you ever tried to fix a leaky kitchen faucet yourself? If so, the task probably seemed simple at the outset. However, if you’re not an experienced plumber, you may have inadvertently compounded the small problem of a leak — perhaps by over-tightening a nut, pinching the washer, stripping the threads, or worst of all, splitting the pipe — and unintentionally made the situation worse, as well as expensive to fix.

Initiatives by employers to drive up savings and enrollment in their retirement plans over the past decade have generally followed the same three-pronged approach — participate, save, diversify.