Retraction Note: efficiency evaluation of the high-tech industry chain with a two-stage data envelopment analysis approach

Longlong Geng, Hui Liu, Xuehua Zhang () and Jing Feng ()
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Longlong Geng: Tiangong University
Hui Liu: Tiangong University
Xuehua Zhang: Tiangong University
Jing Feng: Tiangong University

Operations Management Research, 2024, vol. 17, issue 2, No 30, 795-795

Date: 2024
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DOI: 10.1007/s12063-024-00466-4

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