1. Agliardi, E., 1995. Discontinuous Paths with Dynamic Scale Economies Economica November, 541–549.
2. Alchian, A., 1959. Costs and outputs. In: Abramovitz, M., et al (Eds.), The Allocation of Economic Resources. Stanford University Press, Stanford, pp. 273–299.
3. Bohm-Bawerk, E., 1889. Positive Theory of Capital, Transaction. W. Smart, New York.
4. Carlaw, K.I., 2000. Uncertainty and complementarity lead to scale effects in the production of capital. Ph.D. Dissertation, Simon Fraser University, Vancouver, Canada.
5. Complementarity, coordination and compatibility: the role of fixed costs in the economics of systems;Desruelle;International Journal of Industrial Organization,1996