%0 Journal Article %T A literature review on markets for ideas: Emerging characteristics and unanswered questions %A Natalicchio, A. %A Messeni Petruzzelli, A. %A Garavelli, A.C. %A , %J Technovation %V 34 %N 2 %P 65-76 %@ 0166-4972 %D 2014-02-01 %I Elsevier BV %~ DeepDyve