Dong-Mei Shi , Yong Zhuang, and Bing-Hong Wang 3† Department of Modern Physics and Nonlinear Science Center, University of Science and Technology of China, Hefei Anhui, 230026, PR China Department of Physics, Bohai University, Jinzhou Liaoning, 121000, PR China The Research Center for Complex System Science, University of Shanghai for Science and Technology and Shanghai Academy of System Scienc...

An individually costly act that benefits all group members is a public good. Natural selection favours individual contribution to public good [corrected] only when some benefit to the individual offsets the cost of contribution. Problems of sex ratio, parasite virulence, microbial metabolism, punishment of noncooperators, and nearly all aspects of sociality have been analysed as public goods sh...

This paper explores a global public goods approach to the health of migrants. It suggests that this approach establishes that there are a number of health goods which must be provided to migrants not because these are theirs by right (although this may independently be the case), but because these goods are primary goods which fit the threefold criteria of global public goods. There are two key...