• Income underreporting by the selfemployed in transition countries : the case of Estonia [Electronic resource]Kukk, Merike; Staehr, Karsten4th International Conference "Economic Challenges in Enlarged Europe" : 17-19 June 2012, Tallinn, Estonia : conference proceedings2012 / 18 p. [CD-ROM] https://haldus.eestipank.ee/sites/default/files/publication/en/WorkingPapers/2018/wp_04_2018.pdf
• Income underreporting by the selfemployed in transition countries : the case of Estonia [Electronic resource]Kukk, Merike; Staehr, KarstenDoctoral Summer School 2012 : doctoral school in economics and innovation : 24-27 July 2012, Nelijärve, Estonia2012 / 17 p. [CD-ROM] https://haldus.eestipank.ee/sites/default/files/publication/en/WorkingPapers/2018/wp_04_2018.pdf