COPS: A New Model of Occupational CoefficientsKatherine M Boydell, J P Gauthier, Kevin Hughesmag(1995)引用 23|浏览4暂无评分关键词economic model,economic modelsAI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要