William G. Dewald, director of research for the St. Louis Fed, examines how inflation magnifies the distorting effects of taxation when the tax treatment of interest income and expense is not fully indexed to inflation. The distortion involves a real interest tax wedge which is the difference...

This article uses principal component methods to assess the importance of changes in the federal funds rate in driving interest rate changes across a broad array of credit markets. We find that most of the variability in interest rate changes across these markets is explained by a small number...