Journal of Productivity Analysis. 2013;39(2):141-164. doi: 10.1007/s11123-012-0302-2 Q21.82025
Efficiency, productivity, and scale economies in the U.S. property-liability insurance industry
美国财产—责任保险行业的效率、生产力与规模经济
DOI: 10.1007/s11123-012-0302-2
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