Incentivizing effort in interdependent security games using resource pooling

Incentivizing effort in interdependent security games using resource pooling
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使用资源池激励相互依赖的安全游戏的努力

DOI:
10.1145/3338506.3340272
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发表时间:
2019
期刊:
Systems and Computation
影响因子:
--
通讯作者:
Liu, Mingyan
Liu, Mingyan
中科院分区:
--
文献类型:
--
作者:
Khalili, Mohammad Mahdi;Zhang, Xueru;Liu, Mingyan

文献摘要

参考文献

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我们考虑一个具有网络代理和正外部性的相互依赖安全(IDS)游戏,其中每个代理选择一个努力/投资水平来保护自己。代理是相互依赖的,因为一个代理的安全状态不仅取决于其自己的投资,还取决于其他代理的努力/投资。由于正外部性,代理人对安全的投资不足,导致低效的纳什均衡(NE)。尽管文献中对投资不足问题进行了很多分析,但在本研究中我们采取了不同的角度。具体来说,我们考虑允许代理商集中资源的可能性,即允许代理商有能力投资于自己以及其他代理商。我们表明,与没有资源池的情况相比,资源池(RP)下的战略代理和自私代理的交互提高了代理的努力/投资水平及其效用。我们表明,有资源池的博弈的 NE 处的社会福利(总效用)高于没有资源池但使用最优激励机制的博弈中可获得的最大社会福利。此外,我们表明,虽然后一种情况中的自愿参与通常并不真实,但在资源池下它是得到保证的。
We consider an InterDependent Security (IDS) game with networked agents and positive externality where each agent chooses an effort/investment level for securing itself. The agents are interdependent in that the state of security of one agent depends not only on its own investment but also on the other agents' effort/investment. Due to the positive externality, the agents under-invest in security which leads to an inefficient Nash equilibrium (NE). While much has been analyzed in the literature on the under-investment issue, in this study we take a different angle. Specifically, we consider the possibility of allowing agents to pool their resources, i.e., allowing agents to have the ability to both invest in themselves as well as in other agents. We show that the interaction of strategic and selfish agents under resource pooling (RP) improves the agents' effort/investment level as well as their utility as compared to a scenario without resource pooling. We show that the social welfare (total utility) at the NE of the game with resource pooling is higher than the maximum social welfare attainable in a game without resource pooling but by using an optimal incentive mechanism. Furthermore, we show that while voluntary participation in this latter scenario is not generally true, it is guaranteed under resource pooling.
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