I think a lot of it might be the overall weaker EU labor market. US unions can extract short-term benefits if the workers can hop to a comparable employer easi

I think a lot of it might be the overall weaker EU labor market. US unions can extract short-term benefits if the workers can hop to a comparable employer easily when the employer collapses. If workers in the EU are bound to an employer for 20 years, you need a long time-view.