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首页> 外文期刊>Physica, A. Statistical mechanics and its applications >Effect of the depreciation of public goods in spatial public goods games
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Effect of the depreciation of public goods in spatial public goods games

机译:公共物品贬值在空间公共物品博弈中的作用

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摘要

In this work, the depreciation effect of public goods is considered in the public goods games, which is realized by rescaling the multiplication factor r of each group as ~(r′)=r(~(nc)G)β (β<0). It is assumed that each individual enjoys the full profit r of the public goods if all the players of this group are cooperators. Otherwise, the value of public goods is reduced to ~(r′). It is found that compared with the original version (β=0), the emergence of cooperation is remarkably promoted for β>0, and there exist intermediate values of β inducing the best cooperation. Particularly, there exists a range of β inducing the highest cooperative level, and this range of β broadens as r increases. It is further presented that the variation of cooperator density with noise has close relations with the values of β and r, and cooperation at an intermediate value of β=1.0 is most tolerant to noise.
机译:在这项工作中,在公共物品博弈中考虑了公共物品的贬值效应,这是通过将每组的乘积因子r重新缩放为〜(r')= r(〜(nc)G)β(β<0 )。如果该组的所有参与者都是合作者,则假定每个人都可以享受公共物品的全部利润。否则,公共物品的价值将减少到〜(r')。发现与原始版本(β= 0)相比,当β> 0时,显着促进了合作的出现,并且存在诱导最佳合作的β中间值。特别地,存在诱导最高协同水平的β范围,并且该β范围随着r的增加而变宽。进一步表明,合作者密度随噪声的变化与β和r的值具有密切关系,并且在中间值β= 1.0时的协作对噪声的容忍度最大。

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