Preferential imitation of vaccinating behavior can invalidate the targeted subsidy on complex network

Hai-Feng Zhang,1, 2, 3 Pan-Pan Shu,4 Ming Tang,4, ∗ and Michael Small5, † School of Mathematical Science, Anhui University, Hefei 230039, P. R. China Key Laboratory of Computer Network and Information Integration (Southeast University), Ministry of Education Department of Communication Engineering, North University of China, Taiyuan, Shan’xi 030051, P. R. China 4 Web Sciences Center, University of Electronic Science and Technology of China, Chengdu 611731, P. R. China School of Mathematics and Statistics, The University of Western Australia, Crawley, Western Australia 6009, Australia (Dated: March 30, 2015)