I also think the other commenter is correct that consumptions data create better incentives given the risks of offshoring if territorial emissions is the main target
Like your logic. However I think you are using national emissions data. National consumption data, so adjusting for imports and exports, is probably better. Takes the UK from being just below the global average to above.
I think it is very helpful to look for alternatives to climate change policy as opposed to having no climate change policy. I put some of my own thoughts on this on my substack here. https://kevinlangford1.substack.com/p/reforming-the-climate-change-act
I also think the other commenter is correct that consumptions data create better incentives given the risks of offshoring if territorial emissions is the main target
Like your logic. However I think you are using national emissions data. National consumption data, so adjusting for imports and exports, is probably better. Takes the UK from being just below the global average to above.