Garnero, Andrea
Article History
Received: 22 December 2017
Accepted: 29 January 2018
First Online: 21 February 2018
Competing interests
: The IZA Journal of Labor Policy is committed to the IZA Guiding Principles of Research Integrity. The author declares that he has observed these principles.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.