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Exit Tax Ruled Out for Business Owners Leaving the UK

Sep 6
2 min read

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Exit tax ruled out: A-level analysis​

The government has ruled out an “exit tax” on entrepreneurs leaving the UK. Such a tax could charge capital gains tax on gains built up while UK-resident, even if shares are sold after moving abroad.

Ruling it out may increase the expected post-tax return from founding or investing in a UK business. This could make the UK more attractive to internationally mobile entrepreneurs, investors and start-ups, encouraging investment, innovation and business formation. In the long run, this may raise employment, productivity and real GDP.

The trade-off is lower potential tax revenue. Entrepreneurs who generate gains in the UK but move abroad before selling may pay less UK tax. This may reduce funding for public services, infrastructure or other growth-supporting spending.

 

 

Diagram 1: entrepreneurial activity / investment

 

Ruling out the tax shifts the supply of mobile entrepreneurial capital from S1 to S2. The quantity of UK investment/activity rises from Q1 to Q2.

This assumes tax is an important location factor. The shift may be small if founders care more about skilled labour, finance, regulation, infrastructure and market access.

 


 

 

 

 

 

 

 

 

 

 


Diagram 2: tax revenue

 

A higher tax burden may initially raise revenue, but at sufficiently high rates it could shrink the tax base if people relocate or change behaviour. Do not claim the UK is definitely on any point of the curve.

Stakeholder impacts

  • Firms and investors: Greater certainty and potentially stronger incentives to locate or retain activity in the UK. However, corporation tax, regulation, interest rates and labour costs still matter.

  • Workers: More start-ups and expansion could increase labour demand, wages and training opportunities. Effects will take time and some start-ups fail.

  • Consumers: May gain from more innovation, choice and competition; could lose indirectly if lower tax receipts reduce public spending.

  • Government: May strengthen long-run competitiveness and future tax receipts from growth, but gives up possible revenue from capital gains realised after migration.

Remeber these key terms for your exam:

  • Exit tax: Tax imposed when a person or business changes tax residence, often on unrealised capital gains.

  • Capital gains tax: Tax on the increase in an asset’s value when it is sold or transferred.

  • Entrepreneurship: Risk-taking and organisation of resources to start or grow businesses.

  • Elastic supply of entrepreneurs/capital: Entrepreneurs or investment respond strongly to tax or business-condition changes by changing location.

  • Opportunity cost: Public spending, borrowing reduction or lower alternative taxes forgone because revenue is not collected.

 

Overall judgement

Ruling out an exit tax is most likely to help if entrepreneurs and investment are highly internationally mobile and sensitive to taxation. It may improve confidence and long-run competitiveness, but its effect is uncertain because business location decisions depend on many non-tax factors. The central trade-off is competitiveness versus tax fairness and revenue.

 
 
 

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