Brookings Papers on Economic Activity (BPEA) provides academic and business economists, government officials, and members of the financial and business communities with timely research on current economic issues. Tentative contents include:The Recent Decline in Labor Force Participation and Its Implications for Potential Labor Supply Stephanie Aaronson, Bruce Fallick,Andrew Figura, Jonathan Pingle, and William Wascher (Federal Reserve Board) Household Wealth Accumulation in the 1990s: The Role of Demographic Factors William Gale (Brookings Institution) and Karen Pence (Federal Reserve Board) Defined-Benefit Pensions in the United States: Issues and Proposals for Reform David Wilcox (Federal Reserve Board) Bubble, Bubble, Where's the Housing Bubble? Gary Smith and Margaret Hwang Smith (Pomona College)