The Welsh Government has responded to Plaid's criticism that it's not doing enough to call for a new funding arrangement for Wales. A spokesman said,
We have consistently argued that the Barnett Formula underfunds the people of Wales. Over time, it is very likely to lead to ever-greater underfunding of Welsh public services. The independent Holtham Commission confirmed this view. Clearly, that is unacceptable.
The Holtham Commission proposed a simple way of making the Barnett formula fairer in the short term, by introducing a funding ‘floor’. This would make a real difference to us in Wales and it could be introduced at the stroke of a Treasury pen.
In the medium term, we want to see the Barnett formula replaced by a system that delivers a fair and sustainable financial settlement for Wales.
We have consistently called on the UK Government to progress talks on reforming the way Wales is funded. Our position is very clear – it is time the UK Government set out theirs.