This paper tries do motivate the discussion of evaluation problems in the context of social programs. Initially, the text explores the point of view that social programs should be recognized as complex organizations. In the case, there are multiple objectives, decentralization, and coordination...

This paper analyses the NAIRU making use of a cointegrated VAR and of Italian labour market data. We show that a cointegrated VAR represents a statistically adequate (using Aris Spanos's terminology) approach to the estimation of the NAIRU. This is an effective way to overcome several problems...