This paper use income tax return data from 1960 to 2000 to analyze the link between reported incomes and marginal tax rates. Only the top 1% incomes show evidence of behavioral responses to taxation. The data displays striking heterogeneity in the size of responses to tax changes overtime, with...

This paper uses a panel of individual tax returns and the `bracket creep' as source of tax rate variation to construct instrumental variables estimates of the sensitivity of income to changes in tax rates. From 1979 to 1981, the US income tax schedule was fixed in nominal terms while inflation...

This paper investigates whether taxpayers bunch at the kink points of the US income tax schedule (i.e. where marginal rates jump) using tax returns data. Clear evidence of bunching is found only at the first kink point (where marginal rates jump from 0 to 15%). Evidence for other kink points is...