This paper is the first attempt to directly explore the long-run nonlinear relationship between theshadow economy and level of development. Using a dataset of 158 countries over the period from1996 to 2015, our results reveal a robust U-shaped relationship between the shadow economy sizeand GDP...

We undertake an extended discussion of the latest developments about the existing and new estimation methods of the shadow economy. New results on the shadow economy for 158 countries all over the world are presented over 1991 to 2015. Strengths and weaknesses of these methods are assessed and a...