几种金属的价格无法评判枝节横生的马尔萨斯对丰饶（Malthus vs. Cornucopia）的争论，正如一个简单的失业数据无法权威判定科文和卡普兰之间的争议。
A handful of metal prices cannot settle a sprawling Malthus vs. Cornucopia argument, just as a single data point for unemployment cannot be the final word in the dispute between Cowen and Caplan.