-tier structure of the informal labour market in Poland. Design/methodology/approach: I employ the propensity score matching (PSM … informal and formal workers, both at the means and along the wage distribution. I use two definitions of informal employment: a …) employment without a written agreement and b) employment while officially registered as unemployed at a labour office. In order …

-tier structure of the informal labour market in Poland. Design/methodology/approach: I employ the propensity score matching (PSM … informal and formal workers, both at the means and along the wage distribution. I use two definitions of informal employment: a …) employment without a written agreement and b) employment while officially registered as unemployed at a labour office. In order …

milieu. Using data from Annual Survey of Industries, we find that (i) the growth of regular employment is negatively skewed … while that of contract employment is positively skewed, and (ii) the nominal wage growth of regular workers is positively … both regular and contract labour to match the observed asymmetries in employment. Our model further suggests that the …