| Summary: | Can reforms that shift the balance among different taxes in the revenue mix lastingly influence the overall prosperity of an economy and the distribution of income across households? The present study takes this question to the data, using the experience of 34 OECD countries over 1980-2014 to assess the effects of changes in the tax structure on the long-term level of average output per capita and the distribution of disposable income across households. Changing the revenue mix while keeping government size constant typically lift long-term output per capita when they involve cuts in the labour tax wedge below or above average incomes, cuts in corporate income taxes or increases in property taxes. The relative-income effects of revenue-neutral reductions in labour tax wedges are broadly in line with intuition: the relative position of those benefitting from them typically improves. In absolute terms, however, nearly all the income distribution benefits from revenue-neutral reductions in labour tax wedges, be they focused on below or average income earners
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