How to make poor areas richer

This excellent video clip from the Economist looks at regional inequality and the theory behind levelling up. I think that the first truth spoken is the fact that the political classes have no idea about the extent of the problem, thereafter, it gives an insight into the extent of regional inequality and how little has, thus far, been done.

The solutions? In short, there's no easy solution - although the issue of over-centralization needs to be addressed, thereafter local solutions can be sought as Germany, in Leipzig, and the US, In Pittsburgh and Tulsa, evince.