Kuan, Kai Yuan; Cullen, Mark R.; Modrek, Sepideh - National Bureau of Economic Research (NBER) - 2015
accounts as the dominant retirement savings vehicle, and these accounts make up an increasing proportion of overall wealth. In …The wealth gap has reached record highs. At the same time there has been substantial proliferation of 401(k) savings … options. Together these differences substantially impact the level of 401(k) balances accumulated and therefore overall wealth …