About the Authors

Maciej Jan Dańko

danko@demogr.mpg.de

Affiliation Max Planck Institute for Demographic Research, Rostock, Germany

Jan Kozłowski

Affiliation Institute of Environmental Sciences, Jagiellonian University, Kraków, Poland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MJD JK. Wrote the paper: MJD JK. Created the Matlab code for the model, performed the calculations, collected results: MJD. Analyzed the results of the model: MJD JK.