We investigate the controversial role of the informal sector in the economy of 64 countries between 2003 and 2007 by focusing for the first time on the impact it has on sovereign debt markets. In addition to a standard ordered Probit regression, we employ two nonparametric neural network...

The shadow economy (SE) is a pathological normalcy, not only in developing countries but also in developed ones, causing disagreeable distortions in the real economy. In this paper, we estimate the size of the informal sector in nineteen countries of the European Union (EU) by implementing three...

Variations in fine wine prices can be prominent and have widespread economic and financial implications. Although fine wine investments are dominated by French wines, we demonstrate that significant international diversification benefits exist for investors in Italian, Australian and Portuguese...