# Understanding the efficiency evolution for the Chinese provincial power industry: A new approach for combining data envelopment analysis-discriminant analysis with an efficiency shift across periods

> Research article (Journal of Cleaner Production, 2020) · cited 24× · AI/ML

**Wikidata**: [openalex:W3028229567](https://www.wikidata.org/wiki/openalex:W3028229567)  
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