Yokoyama, Izumi http://orcid.org/0000-0003-4661-2670
Obara, Takuya
Funding for this research was provided by:
the Grant-in-Aid for Scienti?c Research (#25885033)
Article History
Received: 14 July 2017
Accepted: 22 November 2017
First Online: 6 December 2017
Competing interests
: The IZA Journal of Labor Policy is committed to the IZA Guiding Principles of Research Integrity. The authors declare that they have observed these principles.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.