Recently, a voluminous literature estimating the taxable income elasticity has emerged as an important field in empirical public economics. However, to a large extent it is still unknown how the hourly wage rate, an important component of taxable income, reacts to changes in marginal tax rates....

We study income responses to income tax changes by using a large panel of Swedish tax payers over the period 1991-2002. Changes in statutory tax rates as well as dis-cretionary changes in tax bracket thresholds provide exogenous variations in tax rates that can be used to identify income...