Irish GDP per head was lower than the UK before they cut corporation tax, and it’s now 50% higher.
Incorrect. We’ve seen no measures of GDP per head which placed Ireland below the UK before they cut corporation tax in 2015, and some measures show the difference is now is more than 50%.
When Ireland cut its corporation tax rate, their GDP went up.
Correct, recent estimates suggest the Irish economy grew by over 25% in 2015 due to companies relocating, although the impact on the underlying economy was considered more limited.
Cutting corporation tax will boost the growth rate of the economy.
There’s evidence this could happen over the long term, but it’s too limited and uncertain to put specific numbers on the effect. Cutting the tax is expected to cost more money than it raises through higher growth or investment.
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“The tax cuts that I’ve prioritised are corporation tax cuts … I’m doing that because I want to boost the growth rate of our economy … if we grew at 3-3.5% we’d have an extra £20 billion to spend”
Jeremy Hunt MP, 9 July 2019
“… the Republic of Ireland cut their Corporation Tax to twelve and a half percent; that’s what I want to do. When they did that they were a less wealthy country than us. Their GDP per head was lower. After they did that it actually went up to nearly 50 percent higher”
Jeremy Hunt MP, 30 June 2019
Conservative leadership candidate Jeremy Hunt has claimed several times that his proposal to reduce corporation tax if he became Prime Minister could boost economic growth and implied this could generate more money for the government to spend.
The main rate of corporation tax is currently 19% and already set to fall to 17% in April 2020. Mr Hunt’s proposal cuts that further to 12.5%, meaning the UK will remain having one of the lowest such tax rates in the OECD group of rich countries.
But the Institute for Fiscal Studies (IFS) is clear that “This is not a tax cut that would pay for itself”.
The exact impacts on economic growth are hard to predict, but as an example, in 2013 HMRC estimated that cutting the rate from 28% to 20% (between 2010 and 2016)—along with other smaller changes—could increase GDP by 0.6-0.8% after 20 years.
How can a tax cut boost spending power?
Cutting corporation tax obviously has the direct impact of reducing the amount that businesses have to pay in tax and so reduces the amount that the Treasury gets in tax receipts. The IFS estimates Mr Hunt’s cut would reduce the amount of tax collected by £13 billion in the short-run.
But it’s also argued that, indirectly, this can encourage investment and business growth, which means either more companies paying tax in the first place or higher economic growth. If higher growth leads to higher employment and higher wages, that increases what the government gets in other forms of tax.
Putting numbers on how big those effects are is difficult, especially given that the indirect impacts would play out over several years, and that naturally leads to greater uncertainty.
Given the indirect effects, the cut probably won’t cost as much as £13 billion in the long run, according to the IFS. But it also says that “One thing we can be fairly sure of is that a cut of this magnitude would not pay for itself”.
“It is implausible to believe that profits earned or recorded in the UK could increase by enough to make up for the immediate £13 billion fall in revenue”.
If the Irish can do it, why can’t we?
Jeremy Hunt mentions the example of Ireland, which in 2015 cut its corporation tax rate substantially and in turn saw a large increase in the size of its economy (measured by GDP).
According to the OECD, Ireland’s economy grew by a massive 25% that year and continued to grow relatively strongly in the following years (though nowhere near 25%). The clear implication of Mr Hunt’s claim is that the UK could also see an uptick in growth with a more competitive rate.
The IFS isn’t so sure, and points out that the Irish case is quite different to that of the UK. “The difference is that prior to that decision very little was raised in corporate tax revenue as few big and profitable corporations were headquartered there, so there was little to lose and much to gain. The UK has far more tax revenue to lose in the first place.”
It has also pointed out that while the UK would have a competitive main rate of corporation tax, other factors make the UK less competitive, such as relatively ungenerous capital allowances.
In addition, the Irish Central Statistics Office cautioned that the huge uptick in growth in 2015 was “largely related to relocation of multinational companies to Ireland, which had a limited impact on the underlying Irish economy”.
Mr Hunt specifically mentions that Ireland moved from having a lower GDP per head than the UK to one that was 50% higher.
This is incorrect: we’ve seen no measure of GDP per head that suggests this. Several measures show Ireland had a higher GDP per head than the UK in recent years even before its tax changes and that the difference grew larger (some suggest more than 50%) since 2015.