Tax buoyancy in OECD countries. New empirical evidence

A renewed interest in the link between business cycle and tax revenues has recently emerged, especially during economic crises. In this paper, we provide an empirical analysis on 35 OECD countries over the period 1995–2016 to estimate both short-run and long-run tax buoyancies, taking into account the macroeconomic framework, changes in governments’ tax policies, budgetary and political variables possibly affecting how taxes react to GDP fluctuations. By adopting the dynamic common correlated effects estimator, we find that both short- and long-run tax responses are lower than those reported in previous cross-country studies. We suggest that this slightly lower than expected reaction of tax revenue can be interpreted as a reduced power of both automatic stabilization in the short-run and fiscal sustainability in the long-run. Results are robust to possible endogeneity issues between tax revenues and business cycles.