Using panel data for nearly 1,000 companies during 1991 to 2000, this paper documents that the average share of participant's discretionary 401(k) contributions in company stock was almost 20 percent, and then relates this share to plan design features and firm financial characteristics. We find...

Many studies compare household balances in tax-deferred retirement accounts such as 401(k) plans with financial assets held outside these accounts, but these different asset components are not directly comparable. Taxes and in some cases penalties are due when assets are withdrawn from some...