-tier structure of the informal labour market in Poland. Design/methodology/approach: I employ the propensity score matching (PSM … wage distribution, which supports the hypothesis of the two-tier structure of the informal labour market in Poland … in Poland: informal workers in the first quartile of the wage distribution and those above the first quartile appear to …

in developed countries. We choose the case of Poland to examine whether the existing definitions and measurement methods … informal employment, secondly we show the existing research on informal employment in Poland, and thirdly we assess the … previous estimations of informal employment in Poland with regard to the definition's scope. Finally, we propose some …

The main goal of our article is to bridge the gap in the regional analysis of informal employment in Poland and in …

-level evidence from Poland. Research Design & Methods: The survey conducted among Polish small and medium-sized (SME) enterprises in … 2018 was used to find the driving forces of informal employment in Poland. The adequate sample comprised 952 representative …