This paper develops a new method to study how workers’ career and wage profiles are shaped by internal labor markets (ILM) and job hierarchies in firms. Our paper tackles the conceptual challenge of organizing jobs within firms into hierarchy levels by proposing a data-driven ranking method...

Immigrants are more likely to have conationals as colleagues, however the consequences of such workplace segregation is an open question. I study the effect of the conational share in an immigrant’s first job on subsequent labour market outcomes using register data from Germany. I instrument...

In recent decades, many industrialized economies have witnessed a pattern of job polarization. While shifts in labor demand, namely routinization or offshoring, constitute conventional explanations for job polarization, there is little research on whether shifts in labor supply along the labor...

This paper analyses the evidence of job polarization in developing and emerging economies. We carry out an extensive literature review, revealing that job polarization in these countries is only incipient compared to other advanced economies. We then examine the possible moderating aspects...

When workers are displaced from their jobs in mass layoffs or firm closures, they experience lasting adverse labor market consequences. We study how these consequences vary with the amount of skill mismatch that workers experience when returning to the labor market. Using novel measures of skill...

We study the effects of a voluntary skill certification scheme in an online freelancing labour market. We show that obtaining skill certificates increases freelancers' earnings. This effect is not driven by increased freelancer productivity but by decreased employer uncertainty. The increase in...