Employed at the Research Unit 1991-2012 and 2017-

RESEARCH AREAS

Taxation and undeclared work, Immigration and integration.

RECENT PUBLICATIONS

De illegale indvandrere i Danmark, 2008-2018, with Jan Rose Skaksen. København: ROCKWOOL Fondens Forskningsenhed, Study paper 57, 2019.

Sort arbejde, gør det selv-arbejde og deleøkonomi, with Kristian Hedeager Bentsen, Lise Lam Hansen, Bent Jensen and Peer Ebbesen Skov. København, Odense: ROCKWOOL Fondens Forskningsenhed og Syddansk Universitetsforlag, 2018.

Undeclared Work, Deterrence and Social Norms: The Case of Germany, with Lars P. Feld. Berlin, Heidelberg: Springer Verlag, 2012.

Das Ausmaß der Schwarzarbeit in Deutschland, with Lars P. Feld. Copenhagen, Odense: The Rockwool Foundation Research Unit and University Press of Southern Denmark, 2012.

Sort arbejde i Tyskland, with Lars P. Feld. Copenhagen, Odense: The Rockwool Foundation Research Unit and University Press of Southern Denmark, 2012.

“Self-Perceptions, Government Policies and Tax Compliance in Germany”, with Lars P. Feld. In International Tax and Public Finance 19 (1), pp. 78-103, 2012.

Danskerne og det sorte arbejde, with Camilla Hvidtfeldt and Bent Jensen. Copenhagen, Odense: The Rockwool Foundation Research Unit and University Press of Southern Denmark, 2010.

“Kriminalitet i Danmark: Udviklingen i den registrerede kriminalitet”, with Lars Pico Geerdsen. Ch. 2 in Torben Tranæs and Lars Pico Geerdsen (Eds.) Forbryderen og samfundet: Livsvilkår og uformel straf. Copenhagen: The Rockwool Foundation Research Unit and Gyldendal, 2008.

“Strafen, Kontrollen und Schwarzarbeit: Einige Anmerkungen auf Basis von Befragungsdaten für Deutschland”, with Lars P. Feld. Ch. 4 in Dominik H. Enste and Friedrich Schneider (Eds.) Jahrbuch Schattenwirtschaft 2006/07. Wien, Berlin: LIT Verlag, 2006.