... C. and D. Fornahl, (2002). Scientific Knowledge and Implications for its Diffusion,Journal of Knowledge Management, 6 (2), 190-198.PART IGeographic and Relational Proximity4STRUCTURING INFORMAL ... private enterprises for commercialexploitation. Jaffe (1989) and Acs, Audretsch, and Feldman (1992),Audretsch and Feldman (1996) and Feldman and Audretsch (1999), for ex-ample, found that the knowledge ... beeasily standardized and codified can be sent, and understood, over distance atvery low cost. Knowledge that is difficult to articulate and is tacit in nature ismore open to interpretation and uncertainty...