Li, Jing; Wu, Te; Zeng, Gang; Wang, Long - In: Physica A: Statistical Mechanics and its Applications 391 (2012) 15, pp. 3924-3929
Most previous investigations on spatial Public Goods Game assume that individuals treat neighbors equivalently, which is in sharp contrast with realistic situations, where bias is ubiquitous. We construct a model to study how a selective investment mechanism affects the evolution of cooperation....