Laaksonen, Mikko http://orcid.org/0000-0002-6979-9872
Rantala, Juha
Liukko, Jyri
Polvinen, Anu
Varis, Jarno
Kesälä, Meeri
Kuivalainen, Susan
Article History
First Online: 18 December 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: The dataset consists of register data which were anonymized and not possible to trace back to individuals or companies. The Finnish Centre for Pensions obeys the Ethical Standards of The Finnish Advisory Board on Research Integrity and monitors that responsible scientific practice is followed in collecting, analysing and reporting of data.