In 1975 Niels Thygesen, together with eight other economists - one of us among them - published in The Economist a "manifesto" proposing a new common currency for Europe (Basevi et al., 1975). His co-operation on this subject was pursued within a smaller group, and resulted in the publication of...

In this paper we propose a simple extension to the panel case of the covariate-augmented Dickey Fuller (CADF) test for unit roots developed in Hansen (1995). The extension we propose is based on a p-values combination approach that takes into account cross-section dependence. We show that the...

This paper proposes a strategy to increase the efficiency of forecast combination. Given the availability of a wide range of forecasts for the same variable of interest, our goal is to apply combining methods to a restricted set of models. To this aim, a hierarchical procedure based on an...