April 23, 2020
Affiliations:
John K. Dagsvik, Statistics Norway, Research Department;
Mariachiara Fortuna, freelance statistician, Turin;
Sigmund Hov Moen, Westerdals Oslo School of Arts, Communication and Technology.
Corresponding author:
John K. Dagsvik, E-mail: john.dagsvik@ssb.no
Mariachiara Fortuna, E-mail: mariachiara.fortuna@vanlog.it (reference for code and analysis)