Many college and university 403(b) plans restrict the menu of investment choices to funds offered by TIAA-CREF, the current manager of over half of all 403(b) contributions. Further, in the face of Internal Revenue Code changes that will take effect in 2006 and will make 403(b) plan ERISA...

The recent financial crisis and historical record suggest important lessons about the design of national pension systems. First, wide fluctuation in asset returns makes it hard for well-informed savers to select a saving rate or a sensible investment strategy for DC pensions. Workers who follow...

Two issues may have a tremendous impact on the adequacy of retirement income for today's workers: The growth of 401(k) pension plans and the possible privatization of Social Security. Workers are becoming increasingly responsible for the adequacy of their retirement income by determining how...

I review the academic literature on defined contribution retirement plan design and participant behavior. While adoption of automatic enrollment has significantly increased participation rates, recent studies find the long-run effects on savings are smaller than the short-run effects, with some...

This contribution starts out by noting a conflict of interest between consumers and insurers. Consumers face positive correlation in their assets (health, wealth, wisdom, i.e. skills), causing them to demand a great deal of insurance coverage. Insurers on the other hand eschew positively...

Using data on the portfolio holdings and income of millions of U.S. retirement investors, I find that positive and persistent shocks to income lead to a significant increase in the equity share of investor portfolios, while increases in financial wealth due to realized returns lead to a small...

I estimate a life-cycle model of portfolio choices that incorporates the relationship between market returns and the skewness of idiosyncratic income shocks. The cyclicality of skewness can explain (i) low stock market participation among young households, (ii) why the equity share of...

This Chapter explores how an environment of persistent low returns influences saving, investing, and retirement behaviors, as compared to what in the past had been thought of as more "normal" financial conditions. Our calibrated lifecycle dynamic model with realistic tax, minimum distribution,...

This paper presents results from the Investment Company Institute’s Annual Mutual Fund Shareholder Tracking Survey, which gathers information on mutual fund–owning households in the United States. In 2021, the survey found that 59.0 million US households, or 45.4 percent, owned mutual funds....

Using micro-level panel data and a difference-in-differences identification strategy, we study the effect of political uncertainty on household stock market participation. We find that households significantly reduce their participation and reallocate funds to safer assets during periods of...