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...Es web of conferences https doi org esconf ebldm empirical study on economies scale in china manufacturing a b wang lingyao zhou yaodong school economics and management beijing jiaotong university abstract the paper is based chinese industrial enterprises database applying method translog cost function to measure during period between result shows that mean sce which indicates slight diseconomies from perspective variation trend before there was decreasing year by remained stable after considering heterogeneity divides into nine groups group measurement results show mining industry light have high but state other sub sectors introduction zhang lingdan believed large among key indicator zhu yan long term it one difference not important determinants sustainable development especially regarding with mature foreign its many scholars technological conditions since s reform measured optimal implicit assumption opening up continuous when enterprise has become boosting lower than economy enter...