[1] Clark, J.M. (1923) Studies in the Economics of Overhead Costs. The University of Chicago Press, Chicago.
[2] Aranoff, G. (2011) Competitive Manufacturing with Fluctuating Demand and Diverse Technology: Mathematical Proofs and Illuminations on Industry Output-Flexibility. Economic Modelling, 28, 1441-1450.
http://dx.doi.org/10.1016/j.econmod.2011.02.016
[3] Aranoff, G. (1991) John M. Clark’s Concept of too Strong Competition and a Possible Case: The US Cement Industry. Eastern Economic Journal, 17, 45-60.