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%T The returns on public investment: concepts, evidence and policy challenges %A Misch, Florian %A Wolff, Peter %P 27 %V 25/2008 %D 2008 %@ 978-3-88985-450-6 %= 2011-01-06T15:04:00Z %~ USB Köln %> https://nbn-resolving.org/urn:nbn:de:0168-ssoar-194154 %U http://www.die-gdi.de/CMS-Homepage/openwebcms3_e.nsf/(ynDK_contentByKey)/ANES-7QXENR/$FILE/DP%2025.2008.pdf %C DEU %C Bonn %G en %9 Arbeitspapier %W GESIS - http://www.gesis.org %~ SSOAR - http://www.ssoar.info