And while U.S. federal taxes are a progressive tax system, there are many regressive taxes in place as well. But what exactly is a regressive tax, and how does it work? Here’s what you need to know.

“Inflation is the most pernicious and insidious regressive tax on the poor ... of kids that is not getting into homes.” Data from the Federal Reserve Bank of St. Louis indicates the ...

K. Nowak, B. Rajagopalan and E. Zagona (2011). “Wavelet Auto-Regressive Method (WARM) for multi-site streamflow simulation of data with non-stationary spectra,” Journal of Hydrology, 410 (1-2) 1–12.