内容简介：
For almost thrity years, Brookings Papers on Economic Activity (BPEA) has provided academic and business economists, government officials, and members of the financial and business communities with timely research on current economic issues. Contents Include: Editors' Summary Assessing the Impact of Welfare Reform on Single Mothers Hanming Fang and Michael P. Keane Ending Africa's Poverty Trap Jeffrey D. Sachs, John W. McArthur, Guido Schmidt-Traub, Margaret Kruk, Chandrika Bahadur, Michael Faye, and Gordon McCord Demography and the Long-Run Predictability of the Stock Market John Geanakoplos, Michael McGill and Martine Quinzii Report: What Does the Public Know about Economic Policy, and HOw Does It Know It? Alan S. Blinder and Alan B. Krueger