4 IZA Discussion Papers
IZA Discussion Paper No. 15262
IZA Discussion Paper No. 14997
IZA Discussion Paper No. 13826
forthcoming in World Bank Economic Review, 2020
IZA Discussion Paper No. 2258
published as 'Off-farm Labour Supply and Labour Markets in Rapidly Changing Circumstances: Bulgaria during Transition' in: Economic Systems, 2011, 35 (3), 378 - 389