The demographic database of Eurostat and of Us Census of Bureau are explored and the main facts are extracted and described. This paper is completely self-standing but is also part of a more general analysis dedicated to the functioning and sustainability of pay-as-you-go to finance the welfare...

Excerpt: Worldwide, governments are growingly focusing on free and open source software (FOSS) as a move toward transparency and the freedom to run, copy, study, change and improve the software. The European Commission (EC) is also supporting the development of FOSS [...]. In addition to the...

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...