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中文摘要：
经济效益的综合评价对经济政策的制定具有重要意义，但目前诸多的综合评价方法在指标体系的选取和权重设置等方面具有较强的主观性。RoughSet理论是一种处理模糊和不确定知识的数学工具，文中根据RoughSet理论，在保持分类能力不变的前提下，对初选的指标进行约简，计算各指标的重要程度．从而确定评价指标体体系及其各自的权重，进而构造了经济效益的综合评价模型，消减了指标体系的规模，消除了权重设置的主观性，能更准确、科学地反映地区经济效益状况。最后对安徽省17个地市的工业经济效益进行了评价，验证了该方法的实用性、可行性。
英文摘要：
The comprehensive evaluation of economic benefit is important for economic policy making. But many traditional comprehensive measurement methods are subjective in weight assignment and index system selection. Rough set is a mathematic tool, which mainly deals with uncertain knowledge. In this paper, the indicator system and their weights are determined by reducing the original indexes, computing the significance of every index based on the rough set theory, which reserves the classification ability. Then, a new comprehensive evaluation model based on rough set is formed, which efficiently reduces the scale of index system, eliminates the subjectivity in weight assignrnent and reflects the economic condition more scientifically and exactly. The results of the comprehensive evaluation on industrial economic benefit of 17 cities in Anhui show this method is effective and feasible.
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