3 IZA Discussion Papers
IZA Discussion Paper No. 14167
IZA Discussion Paper No. 8550
published in: Quantitative Economics, 2019, 10 (3), 1233 - 1277
IZA Discussion Paper No. 7896
published as 'Selfish altruism, fierce cooperation and the predator' in: Journal of Biological Dynamics, 2018, 12 (1), 471 - 485