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Bacaan lebih lanjut

• William Baumol (1968), Entrepreneurship in Economic Theory. American Economic Review, Papers and Proceedings.
• Bent Flyvbjerg, Mette K. Skamris Holm, and Søren L. Buhl (2002), "Underestimating Costs in Public Works Projects: Error or Lie?" Journal of the American Planning Association, vol. 68, no. 3, 279-295.
• Stephen Ison and Stuart Wall (2007), Economics, 4th Edition, Harlow, England; New York: FT Prentice Hall.
• Israel Kirzner (1979), Perception, Opportunity and Profit, Chicago: University of Chicago Press.