2Benkler, Y. (2002), "Coase's penguin, or Linux and the na- ture of the firm", Yale Law Journal 112:369 - 446.
3Benkler, Y. (2006), The Wealth of Networks - How So- cial Production Transforms Markets and Freedom, Yale U- niversity Press.
4Chan, Yim & Lam(2010), "Is customer participation in val- ue creation a double-edged sword?" Journal of Marketing 74(May) :48-64.
5Demil & Lecocq(2006),"Neither market nor hierarchy nor network", The Emergence of Bazaar Governance Organiza- tion Studies 27(10) :1447-1466.
6Ekvall, G. (1996),"Organizational climate for creativity and innovation", European Journal of Work and Organizational Psychology 5 ; 105 - 123.
7Hars & Ou(2002),"Working for free? Motivations of par-ticipating in open source projects", International Journal of Electronic Commerce 6(3): 25-39.
8Herstatt & Von Hippel(1992),"Form experience: Develop- ment new product concept via the lead user method", Jour- nal of Prodtict Innovation Management 9:312-322.
9Hienerth, C. (2006), "The commercialization of user innova- tions: The development of the rodeo kayak Industry", R &D Management 36 (3) :273-294.
10Hippel, E. V. (1976), "The dominant role of users in the scientific instrument innovation process", Research Policy 5:212-239.
