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During the upgrading period of new generation networks, the telecom operators need to grasp the network investment performance, which is one of the key factors for deploying the new generation networks and arranging new services effectively. In this paper, first, we propose a method based on the dynamic DEA model and the sensitivity analysis to measure the network investment performance of telecom operators, which gives the managers and researchers insight into the changing process of the key influence factors on the investment performance. Then, we build the input-output indicators system of the DEA model from five dimensions, such as INVESTMENT, SUPPLY, ADOPTION, USAGE, and REVENUE, for a more complete and valid characterization to the network investment performance. At last, we apply the proposed method to conduct an empirical research on the operational data of one Chinese telecom operator from 2013 to 2015, which has been the initial launch phase of 4G network. Based on the result, we develop effective investment strategies for the upgrading period of networks, which also gives guidelines for the investment of 5G and other new generation networks in the future.<\/jats:p>","DOI":"10.1186\/s13638-019-1575-1","type":"journal-article","created":{"date-parts":[[2019,11,27]],"date-time":"2019-11-27T13:02:34Z","timestamp":1574859754000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Investment performance measurement of new generation mobile communication networks based on dynamic DEA model"],"prefix":"10.1186","volume":"2019","author":[{"given":"Yu","family":"Du","sequence":"first","affiliation":[]},{"given":"Xiaohang","family":"Zhang","sequence":"additional","affiliation":[]},{"given":"Zhengren","family":"Li","sequence":"additional","affiliation":[]},{"given":"Ling","family":"Wu","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2019,11,27]]},"reference":[{"key":"1575_CR1","doi-asserted-by":"publisher","unstructured":"M. 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