Using a large database of online job postings, we demonstrate that employee skill requirements rise when there is a larger supply of relevant job seekers. We identify this effect using variation across time, occupations, and places, which allows us to control for potentially confounding factors....

Using a novel database of 159 million online job postings, we examine changes in employer skill requirements for education and specific skillsets between 2007 and 2017. We find that upskilling - in terms of increasing demands for bachelor's degrees as well as software skills - was a persistent...

Although labor market "mismatch" often refers to an imbalances in supply and demand across occupations, mismatch within occupations can arise if skill requirements are changing over time, potentially reducing aggregate matching efficiency within the labor market. To test this, we examine changes...

This paper estimates the causal effect of recruitment competition on the labor demand for high-skilled foreign workers. I assemble a new data set, combining a firm-level panel of all Labor Condition Applications (LCAs) submitted as a first step to obtaining H-1B visas between 2010 and 2019 with...

The analysis deals with the influence of exporting on the demand for workers with different skill levels. Previous literature suggests that this includes two major topics. First, productivity of exporting firms may increase due to learning facts after entering international markets and/or be...

This paper analyses the link between technological product and processes innovations and expectations about future employment for different types of labour in manufacturing. The empirical model allows for endogeneity of the firm's innovation decision in the labour demand equations. The system of...