Indeed, agreements like last year’s deal between China and the United States to reduce carbon-dioxide emissions – not to mention initiatives to mobilize business, such as We Mean Business – are unlikely to happen without them. Nonetheless, as Mancur Olson famously observed, it is the individual interests of the parties that drive collective success.
这些多边框架能促进进步。事实上，没有它们，去年的中美减少碳排协议等协议——更不用说“我们需要商业”（We Mean Business）等动员商界的计划了——就不可能发生。尽管如此，如奥尔森（Mancur Olson）的著名论断所言，推动集体成功的各方的个体利益。