1Barney, J. B. 1991,“Firm resources and sustainable competitive advantage, ”Journal of Management, 17 : 99 - 120.
2Lippman SA, Rumelt RP. 1982, “Uncertain imitability: an analysis of inter - firm differences in efficiency under competition,” Bell Journal of Economics 13:418 -438.
3Dierickx I, Cool K. 1989,“Asset stock accumulation and sustainability of competitive advantage, ” Management Science 35 (12):1504 -1511.
4Reed R, DeFillippi RJ. 1990, “Causal ambiguity, barriers to imitation, and sustainable competitive advantage, ” Academy of Management Review 15 : 88 - 102.
5Hector O. Rocha and Rolf Sternberg,2005 “Entrepreneurship: the role of clusters,”Small Business Economics24:267 - 292.
6Galunic DC, Rodan S. 1998, “Resource recombination in the firm: knowledge structures and the potential for Schumpeterian innovation,” Strategic Management Journal 19 (2) :1193 - 1201.
7Telser, J. G. 1980,“A theory of self - enforcing agreements, ” Journal of Business, 53:27 - 44.
7Audretsch, D and Feldman, M. 1996, "Knowledge spillovers and the geography of innovation and production," American Economic Review86(3 ) ,630 - 640.
8Rui Baptista and Peter Swarm, 1998, "Do finns in clusters innovate more?" Research Policy27,525 -540.
9Chao C. Chen, et al, 2002, "Individualism, collectivism,and opportunism: A cultural perspective on transaction cost economics," Journal of Management, 28 (4), 567 - 583.
10R. H. Coase, 1937, "The nature of the finn," Economica,Vol. 4. No. 16:386 -405.