| Summary: | This paper reviews the key issues concerning the impact of public spending and taxation on long-run growth and inequality and takes stock of existing theoretical and empirical studies. Overall, the evidence highlights that the size of the government matters for long-term growth as a too large government may undermine growth through the cost of financing public spending. A reallocation of public spending towards infrastructure and education would raise income in the long run, whereas increasing social welfare spending can reduce inequality as such spending increases redistribution and risk sharing. Similarly, the available evidence also supports the hypothesis that some taxes are more distortionary than others, with income taxes found to be more harmful for growth than consumption and property taxes. However, a tax shift from income towards consumption taxes has equity implications, since income taxes are generally more progressive than other taxes. The effect of a reallocation of spending and taxes on growth and inequality likely varies across countries depending on country characteristics
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