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  • Sustainable institutionalized punishment requires elimination of second-order free-riders [Elektronski vir]
    Perc, Matjaž
    Although empirical and theoretical studies affirm that punishment can elevate collaborative efforts, its emergence and stability remain elusive. By peer-punishment the sanctioning is something an ... individual elects to do depending on the strategies in its neighborhood. The consequences of unsustainable efforts are therefore local. By pool-punishment, on the other hand, where resources for sanctioning are committed in advance and at large, the notion of sustainability has greater significance. In a population with free-riders, punishers must be strong in numbers to keep the "punishment pool" from emptying. Failure to do so renders the concept of institutionalized sanctioning futile. We show that pool-punishment in structured populations is sustainable, but only if second-order free-riders are sanctioned as well, and to a such degree that they cannot prevail. A discontinuous phase transition leads to an outbreak of sustainability when punishers subvert second-order free-riders in the competition against defectors.
    Vir: Scientific reports [Elektronski vir]. - ISSN 2045-2322 (Vol. 2, art. no. 344, 2012, 6 str.)
    Vrsta gradiva - e-članek
    Leto - 2012
    Jezik - angleški
    COBISS.SI-ID - 19071752