c147.
For conditions for effective management, see for example Elinor Ostrom (1990); Elinor Ostrom, “The Danger of Self-Evident Truths”, PS: Political Science and Politics, March 2000; or Joanna Burger, Elinor Ostrom, Richard Norgaard, David Policansky and Bernard Goldstein, eds. (2001), Protecting the Commons.