In terms of the effect of raising tax rates beyond 45% on overall tax take and tax payer behaviour, my research is from the Institute of Fiscal Studies Mirrlees Review. As I said, the effect of reducing top rates down to basic rate levels on behaviour and tax take is speculation on my part, because it hasn't been done. My opinion is that people at all levels of income are content to pay taxes and don't seek out avoidance measures, if they feel they are being taxed fairly.
A bit of light reading for you:
https://www.ifs.org.uk/bns/bn84.pdf




Reply With Quote