Offshoring and job polarisation between firms

Titelangaben

Egger, Hartmut ; Kreickemeier, Udo ; Moser, Christoph ; Wrona, Jens:
Offshoring and job polarisation between firms.
In: Journal of International Economics. Bd. 148 (2024) . - 103892.
ISSN 0022-1996
DOI der Verlagsversion: https://doi.org/10.1016/j.jinteco.2024.103892

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Abstract

Using linked employer–employee data for Germany, we provide evidence for job polarisation between firms and identify offshoring as an important determinant of these employment changes. To accommodate these findings, we set up a model in which offshoring to a low-wage country can lead to job polarisation in the high-wage country due to a reallocation of labour across firms that differ in productivity and pay wages that are positively linked to their profits. Offshoring is chosen only by the most productive firms, and only for those tasks with the lowest variable offshoring costs. A reduction in those variable costs increases offshoring at the intensive and at the extensive margin. Well in line with our evidence, this causes domestic employment shifts from the newly offshoring firms in the middle of the productivity distribution to firms at the tails of this distribution, paying either very low or very high wages.