1. Ahuja G (2000) Collaboration networks, structural holes, and innovation: a longitudinal study. Adm Sci Q 45(3):425–455
2. Barney J (1991) Firm resources and sustained competitive advantage. J Manag 17(1):99–120
3. Bo N (2005) Breeding in Europe under the competition at the global market. In: The 26th European holstein and red holstein conference, Prague
4. Braguinsky S, Rose DC (2009) Competition, cooperation, and the neighboring farmer effect. J Econ Behav Organ 72(1):361–376
5. Chaddad FR, Cook ML (2004) Understanding new cooperative models: an ownership-control rights typology. Appl Econ Perspect Policy 26(3):348–360