Policy Implications of Non-Linear Effects of Tax Changes on Output

Samara Gunter, Daniel Riera-Crichton, Carlos Vegh and Guillermo Vuletin

No 28646, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: In an earlier paper, titled "Non-linear effects of tax changes on output: The role of the initial level of taxation," we estimated tax multipliers using (i) a novel dataset on value-added taxes for 51 countries (21 industrial and 30 developing) for the period 1970-2014, and (ii) the so-called narrative approach developed by Romer and Romer (2010) to properly identify exogenous tax changes. The main finding is that, in line with existing theoretical distortionary and disincentive-based arguments, the effect of tax changes on output is highly non-linear. The tax multiplier is essentially zero under relatively low/moderate initial tax rate levels and more negative as the initial tax rate and the size of the change in the tax rate increase. This companion paper first shows that these findings have important policy implications, given that the initial level of taxes varies greatly across countries and thus so will the potential output effect of changing tax rates. The paper then turns to some specific policy applications. It focuses on the relevance of the arguments for revenue mobilization in countries with low levels of provision of public goods and social and infrastructure gaps, as well as in commodity-dependent countries. The paper then considers some practical implications for the standard debt sustainability analysis. Lastly, it evaluates the implications of the findings for the Laffer curve.

JEL-codes: E32 E62 H20 (search for similar items in EconPapers)
Date: 2021-04
New Economics Papers: this item is included in nep-mac, nep-pbe and nep-pub
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