YU Hua, Censorship’s Many Faces. New York Times, Feb 28, 2013 (op-ed)
"When it comes to censorship in China, the primary factors are often economic, not political. * * * Even if they [film censors, in contrast to book censors, who are editors in chief of publishing houses] were to reject every project that comes their way, it wouldn’t affect their salaries, so they are not prepared to take on the least political risk.