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Press release

The effects of tax provisions on enterprises

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This note analyzes the effects of the main provisions on corporate income taxation adopted in Italy in 2017: the reduction of the corporate income tax rate (IRES) from 27.5% to 24.0%, the temporal extension of the super-depreciation for new capital goods (the so called “maxi-ammortamento”) and the reduction of the allowance of a notional return on equity (the so called ACE allowance, “Aiuto alla Crescita Economica”).

For 2017 the cut of the IRES rate will reduce the tax burden for about 63.7% of firms (all firms with tax debt). The extension of the super-depreciation will affect 24% of firms; the percentage of beneficiaries is higher for industrial firms and increases with the company size. 38% of firms will be disadvantaged by the reduction of the ACE relief. Overall (considering the three provisions), the beneficiaries will be 55% of firms.

The reduction of the IRES rate will determine a linear tax cut of 12.7%, the extension of the
super-depreciation an average discount of 1.6% and the reduction of the ACE a tax rise of 4.2%. The extension of super-depreciation and the reduction of the ACE will jointly lead to an average tax rise of 2.6%, that decreases (until zero) as the company size grows.  Overall, the three provisions will result in a tax cut of 10.1%.

In 2017 the effective IRES tax rate on before-tax-profits will decrease of 2.5 percentage points (median values).


For information
Division for data analysis and social, environmental, economic research

Lorenzo Di Biagio
ph +39 06 4673.6120

Marco Rinaldi
ph +39 06 4673.7271


Reference period: Year 2017

Date of Issue: 16 June 2017



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