We use the same methodology, that Ecofin-Oecd apply for projecting expenditure in the medium-long term, to reconstruct expenditure in the medium-long past. It is possible to compare the effective expenditure with the reconstructed one. The effective expenditure is of course influenced by policy...

The circular interplay between demography-employment-productivity-PayGo is investigated for Europe and Us. Looking forward to the mid-long run, the paper offers simulations of the burden each effective worker and each active citizen will have to bear to finance via pay-as-you-go public health...