其实，供应链中无所不在的错误刺激造成了食品和药品行业普遍性、系统性的污染问题。 奶企和肝素前体供应企业都主动添加违禁物质，通过造假手段来提高产品质量。
In fact, perverse incentives throughout the supply chain facilitate the widespread, systematic contamination of food and drugs. Both milk producers and heparin-precursor suppliers were motivated to add adulterants that would make their products appear to be of a higher quality than they actually were.