Feld, Lars P. Undeclared Work, Deterrence and Social Norms The Case of Germany / [electronic resource] : by Lars P. Feld, Claus Larsen. - Berlin, Heidelberg : Springer Berlin Heidelberg, 2012. - digital. ISBN: 9783540874010 Standard No.: 10.1007/978-3-540-87401-0 doi Subjects--Topical Terms: Economics.Economic policy.Finance.Economics/Management Science.Economic Policy.Public Finance & Economics. LC Class. No.: HD87-87.55 Dewey Class. No.: 338.9