1. Atkinson AB, Stiglitz JE (1969) A new view of technological change. Econ J 79(315):573–578
2. Balassa B (1971) The structure of protection in developing countries. Johns Hopkins Press, Baltimore
3. Balassa B (1982) Development strategies in semi-industrial economies. Johns Hopkins Press, Baltimore
4. Chesbrough, HW (2003) The Era of open innovation. MIT sloan management review, V44 N3, Spring 2003, April 15, 2003, pp 35–41
5. Chesbrough HW (2006) Open innovation: a new paradigm for understanding industrial innovation. In: Chesbrough H et al (eds) Open innovation: researching a new paradigm. Oxford University Press, Oxford, pp 1–12