Page 270: Drèze, Jacques H. (1987). «14 Investment under private ownership: Optimality, equilibrium and stability». In: Drèze, J. H. Essays on economic decisions under uncertainty. Cambridge: Cambridge University Press. pp. 261–297. ISBN0-521-26484-7. MR926685 (Originally published as Drèze, Jacques H. (1974). «Investment under private ownership: Optimality, equilibrium and stability». In: Drèze, J. H. Allocation under Uncertainty: Equilibrium and Optimality. New York: Wiley. pp. 129–165)
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Starrett discusses non-convexities in his textbook on public economics (pages 33, 43, 48, 56, 70–72, 82, 147, and 234–236): Starrett, David A. (1988). Foundations of public economics. Col: Cambridge economic handbooks. Cambridge: Cambridge University Press. ISBN9780521348010
Pages 106, 110–137, 172, and 248: Baumol, William J.; Oates, Wallace E.; with contributions by V. S. Bawa and David F. Bradford (1988). «8 Detrimental externalities and nonconvexities in the production set». The Theory of environmental policy Second ed. Cambridge: Cambridge University Press. pp. x+299. ISBN9780521311120. doi:10.2277/0521311128 !CS1 manut: Nomes múltiplos: lista de autores (link)
Sraffa, Piero (1926). The Laws of returns under competitive conditions. Economic Journal. 36. [S.l.: s.n.] pp. 535–550. JSTOR2959866
Hotelling, Harold (Julho de 1938). Econometrica. 6. [S.l.: s.n.] pp. 242–269. JSTOR1907054
Hotelling (1935, p. 74):
Hotelling, Harold (Janeiro de 1935). Demand functions with limited budgets. Econometrica. 3. [S.l.: s.n.] pp. 66–78. JSTOR1907346