We are especially grateful to staff members at the Federal Reserve Bank of Richmond who did such an excellent job in producing the book. Elaine Mandaleris, the Research Department's publications supervisor, provided critical support in the initial stages of the book's production and in the coordination of the staff. Dawn Spinozza, the managing editor for Instruments, did an exceptional job in editing the copy and organizing the ongoing production of the book. Gale (Geep) Schurman, the graphic artist, did an excellent job in producing the charts and design work. Lowell Brummett, the compositor,.