In fiscally centralised countries with a unique country-wide income tax schedule, it is straightforward to quantify the degree of progressivity. In fiscally decentralised countries with varying local tax schedules, however, this is not the case. In these countries, the effective tax...

Inflation and earnings growth can push some tax payers into higher brackets in the absence of inflation-indexed schedules. Moreover, inflation may affect the composition of individuals’ income sources. As a result, depending on the relative tax burden of labor and capital, inflation may...