The reach and relevance of social choice theory is extensive. Rather than undermining the pursuit of social reasoning, Arrow’s deeply challenging impossibility theorem, and the large volume of literature that it has inspired, has immensely strengthened our ability to think rationally about the collective decision-making on which our survival and happiness depend.
社会选择理论的深度和重要性是巨大的。形成深刻挑战的阿罗不可能定理及其所启发的大量文献并未阻碍对社会理性的追求，而是大大增强了我们理性地思考作为我们的生存和幸福基础的集体决策的能力。