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The expulsion was taken from Ostrom's nobel prize stuff. The interesting thing she observed in practice is that sanctions (fines?) don't even cover the financial loss to the community. Shame is the biggest punishemnt according to her.

depends on who you are sanctioning? and what she means buy it.. globaling loike sanctioning other countrys,, or locally like you said fines ect.. some people dont feel shame.. u think a killer feels shame lol.,. its her subjective thoughts, maybe shame is the biggest punishment to her.. but in reality the biggest punishment is taking away a mans freedom..