@BlindSpotForCats
Personally- if there HAS to be IHT then I would say it should be set at 10% for all estates over £10k. It's small enough that people won't be that bothered to try and avoid it. It keeps money into the hands of aging people so it can be used for care home fees etc if they need as they are less worried about handing it out to family before it's too late. You only have to look at the Laffer curve principle. When taxes are high the tax intake is relatively smaller because people do what they can to keep as much of their own money as they possibly can. When Thatcher reduced the top rate of tax, the total tax intake went up, for example
Nail on the head. I've said similar on here in other threads many times. We need to remove the perceived "need" for legal tax avoidance, and to achieve that we need "fair" taxation. A lower rate of IHT starting at a lower threshold would generate far more revenue because people wouldn't feel the need to take drastic steps to avoid it. Big "cliff edges" always cause adverse human behaviour.
I saw it a year ago with Reeve's IHT hike re pensions, business asset relief, etc. I was insanely busy with clients wanting consultations to review their new/proposed IHT liabilities and working with IFA's and solicitors to set up trusts etc. Many of these were people who'd never given much thought to IHT as they knew their potential IHT liabilities were pretty low. The changes she proposed caused lots of clients to have huge IHT liabilities, so they were suddenly interested/invested in reducing/eliminating the tax so made changes to wills, set up trusts, started making lifetime gifts, changed ownership structures of businesses, etc., the end result meaning NO IHT due on their deaths, where prior to Reeve's idiotic changes, there'd have been relatively modest IHT liabilities which weren't worth spending thousands on professional fees to avoid! One client's IHT went from a few thousand to nearly £100k due to a combination of the pension/business asset changes - they changed things around and now HMRC will get zilch, but the solicitor/IFA got a few thousand instead to re-organise their estates!
We need to get rid of cliff edges and stupid thresholds, and make the "curve" of taxes due at all income/gain/inheritance levels to be a gently curving upward line/curve so that there are no points at all at which point the taxpayer will think "sod that" I'm going to do something about it. Take away the cliff edges and stupidly high marginal tax liabilities and more people will just accept the tax, even moreso if it's set at a sensible low percentage.
Politicians are hopeless when thinking about human behaviour. We saw a classic example when Brown reduced tax for small limited companies but didn't for sole traders/partnerships, which caused a stampede of small businesses and freelancers converting to limited companies! Doh!! Even his paymaster general stood in Parliament and said she didn't think sole traders etc would incorporate and convert to Limited companies "just to save tax" - what planet was she on!!