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Taxation and migration by the super-rich
Using administrative data on the globally connected super-rich in the UK, we study the effect of a large tax reform on migration behaviour. Prior to 2017, offshore investment returns for ‘non-doms’ – individuals tax resident in the UK but with connections to other countries – were untaxed. Average offshore investment returns for these individuals exceeded £420,000; even without considering other types of income, this puts them in the top 0.2% of the population. A reform in 2017 brought long-stayers and UK-born non-doms into the standard tax system, reducing their effective net of average tax rate by between 8.8% and 13.0%. We find that migration responses were limited: our central estimate of the migration elasticity is 0.02, and across a range of specifications we can rule out elasticities larger than 0.5. Using reforms for the UK-born super-rich who were living abroad, we find that migration elasticities are limited even for recent arrivals, for whom our central estimate is 0.18. Assuming similar elasticities for all non-doms, abolition of the preferential regime would increase tax revenue collected from non-doms by £3.2bn (84%).
Date:
15 November 2022, 14:00
Venue:
Saïd Business School, Park End Street OX1 1HP
Venue Details:
Hybrid
Speaker:
Arun Advani (University of Warwick)
Organising department:
Saïd Business School
Organiser:
Kristoffer Berg (Saïd Business School)
Organiser contact email address:
cbtevents@sbs.ox.ac.uk
Part of:
Oxford University Centre for Business Taxation Research Seminars
Booking required?:
Required
Booking email:
CBTEvents@sbs.ox.ac.uk
Audience:
Members of the University only
Editor:
Alison Meeson
