Sometimes your best just ain’t good enough: The worldwide evidence on well-being efficiency (with Olga Popova)
Self-Employment Can Be Good for Your Health
Well-being and Emigration Intentions: New Evidence from the Gallup World Poll (with Carol Graham)
The long-run effects of Gulags (with O. Popova & V. Otrachshenko)
Work orientations and labor market behavior
Meaningful work (with P. Otten)