The Scottish and Welsh Technical Committees of the Chartered Institute of Taxation (CIOT) respond to the Treasury Committee inquiry Tax after coronavirus.
If the Welsh diverge upwards from English rates of income tax it might prompt some higher earners in Wales to relocate but the vast majority of people are unlikely to up sticks unless the income tax variations are very significant.
The Welsh Assembly has passed the Welsh Budget for 2019-20, which proposes that the Assembly will not use its powers to vary income tax in the coming year.