Endogenous Growth and R&D Models - A Critical Appraisal of Recent Developments Gries, Thomas Hentschel, C. Wigger, B. 1994 info:eu-repo/semantics/article doc-type:article text http://purl.org/coar/resource_type/c_6501 https://ris.uni-paderborn.de/record/3068 Gries T, Hentschel C, Wigger B. Endogenous Growth and R&#38;D Models - A Critical Appraisal of Recent Developments. <i>Jahrbücher für Nationalökonomie und Statistik</i>. 1994;213/1:64-84. info:eu-repo/semantics/closedAccess