Neasa Hourigan (Dublin Central, Green Party) | Oireachtas source

I have been trying to understand what that means. There is a sense where we are leaving some metrics behind and there is then a new focus on this, and this seems to be quite central to some of those new measurements. However, it seems that we are still running into that issue around relatively imprecise forecasting that is based to some degree on future growth. I think in Ireland we all know how tricky that can be. However, it also looks like it will rely on changes to discretionary revenue and the flow of that. In some of the research around it, it has been cited that perhaps that might have an unintended consequence of encouraging tax relief as a way of dealing with that revenue issue within expenditure benchmark. I would be grateful of Dr. Sweeney could expand on that new centrality and new focus on the expenditure benchmark. What are the challenges within that in terms of using data that is not always what we might want it to be?