[...]We begin by discussing the so-called first generation ofmodels, in which crises are viewed in the literature as theunavoidable result of unsustainable policies or fundamentalimbalances. Next, we survey the literature on the secondgeneration of models, which highlights the possibility of...

In this qualitative sociological and quantitative economic policy paper, we start out from the assumption of a very recent European Commission Background paper on the "Efficiency and effectiveness of social spending", which says the effectiveness of social spending can be defined by the degree...

This paper compares the mixed-data sampling (MIDAS) and mixed-frequency VAR(MF-VAR) approaches to model speci…cation in the presence of mixed-frequency data,e.g., monthly and quarterly series. MIDAS leads to parsimonious models based onexponential lag polynomials for the coe¢ cients, whereas...