This paper assesses the heterogeneous effects of immigration on economic growth depending on both the origin and the destination countries. Following the development of a simple growth model augmented by the embodied human capital of immigrants, we estimate the growth equation using a...

Using a Romanian household survey, we analyse the structure of households’ income by sources: main job, secondary job, and informal activities. We began the study by focusing on data and methodological problems, certain clarifications being necessary. Then we estimated the size of informal...

Having in view the three main methods for the estimation of the informal economy's size, the study focuses in the first part on data and methodological problems, trying at the same time to outline a few behavioral aspects by using only simple simulation models. Thus, based on a 288-sample and...