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: - Progress in Understanding Cyclical Movements in Employment and Unemployment Robert Hall (Stanford University) - What We Still Don't Know About Monetary Policy Benjamin Friedman (Harvard University) - Energy and the Macroeconomy William Nordhaus (Yale University) - Understanding Global Imbalances Richard Cooper (Harvard University)