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Using DEA window analysis to measure efficiencies of Taiwan's integrated telecommunication firms

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  • Yang, Hsu-Hao
  • Chang, Cheng-Yu

Abstract

Taiwan's telecommunication firms are faced with an important challenge arising from a situation in which the growth rate of telephone subscribers has gradually decreased owing to limited market size and the policy of continuous deregulation propagated by the government. To deal with the challenge, several acquisitions among telecommunication firms have taken place and have caused the three currently leading firms to capture a market share of more than 80%. Considering how acquisitions and related strategies might affect the firms, this paper uses data envelopment analysis (DEA) under constant and variable returns-to-scale to measure firms' efficiencies over the period 2001-2005. Because there are only three firms, DEA window analysis is employed to increase the number of decision-making units so that discriminating power can be increased. According to the results, the first finding shows that the acquisitions are justified by exhibiting higher scale efficiency (but lower pure technical efficiency) in the short run. The second finding indicates that adjusting the strategies such as enlarging market share to improving financial portfolios helps firms to achieve better scale size. The third finding justifies government efforts to privatize state-owned enterprises and liberalize the market to strengthen competitiveness.

Suggested Citation

  • Yang, Hsu-Hao & Chang, Cheng-Yu, 0. "Using DEA window analysis to measure efficiencies of Taiwan's integrated telecommunication firms," Telecommunications Policy, Elsevier, vol. 33(1-2), pages 98-108, February.
    • Handle: RePEc:eee:telpol:v:33:y::i:1-2:p:98-108
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    Cited by:

    1. Wang, Wei-Kang & Lu, Wen-Min & Kweh, Qian Long & Lai, Hsiao-Wen, 2014. "Does corporate social responsibility influence the corporate performance of the U.S. telecommunications industry?," Telecommunications Policy, Elsevier, vol. 38(7), pages 580-591.
    2. Moreno, Plácido & Lozano, Sebastián & Gutiérrez, Ester, 2013. "Dynamic performance analysis of U.S. wireline telecommunication companies," Telecommunications Policy, Elsevier, vol. 37(6), pages 469-482.
    3. Bielov, Constantine & Mitomo, Hitoshi & Hämmäinen, Heikki, 2021. "Efficiency Frontier of World MNOs: Multinational vs Domestic," 23rd ITS Biennial Conference, Online Conference / Gothenburg 2021. Digital societies and industrial transformations: Policies, markets, and technologies in a post-Covid world 238011, International Telecommunications Society (ITS).
    4. Corrado Lo Storto, 2018. "Efficiency, Conflicting Goals and Trade-Offs: A Nonparametric Analysis of the Water and Wastewater Service Industry in Italy," Sustainability, MDPI, vol. 10(4), pages 1-22, March.
    5. Yang, Guo-liang & Rousseau, Ronald & Yang, Li-ying & Liu, Wen-bin, 2014. "A study on directional returns to scale," Journal of Informetrics, Elsevier, vol. 8(3), pages 628-641.
    6. Liao, Chun-Hsiung & Lien, Chun-Yu, 2012. "Measuring the technology gap of APEC integrated telecommunications operators," Telecommunications Policy, Elsevier, vol. 36(10), pages 989-996.
    7. Yang, Guoliang & Ahlgren, Per & Yang, Liying & Rousseau, Ronald & Ding, Jielan, 2016. "Using multi-level frontiers in DEA models to grade countries/territories," Journal of Informetrics, Elsevier, vol. 10(1), pages 238-253.
    8. Girma Jirata Duguma & Jiqin Han, 2021. "Effect of deposit mobilization on the technical efficiency of rural saving and credit cooperatives: Evidence from Ethiopia," Annals of Public and Cooperative Economics, Wiley Blackwell, vol. 92(4), pages 621-647, December.
    9. Yasuo Ohe & Nicolas Peypoch, 2016. "Efficiency analysis of Japanese Ryokans," Tourism Economics, , vol. 22(6), pages 1261-1273, December.
    10. Bruno, Clementina & Manello, Alessandro, 2015. "Benchmarking and effects of reforms in the fixed telecommunications industry: A DDF approach," Telecommunications Policy, Elsevier, vol. 39(2), pages 127-139.
    11. L sara Fabr cia Rodrigues & Matheus Alves Madeira de Souza & Thamara Paula dos Santos Dias, 2017. "Performance Assessment of Brazilian Power Transmission and Distribution Segments using Data Envelopment Analysis," International Journal of Energy Economics and Policy, Econjournals, vol. 7(3), pages 14-23.
    12. Izhar Hussain Shah & Hung‐Suck Park, 2021. "Chronological change of resource metabolism and decarbonization patterns in Pakistan: Perspectives from a typical developing country," Journal of Industrial Ecology, Yale University, vol. 25(1), pages 144-161, February.
    13. Asimakopoulos, Grigorios & Whalley, Jason, 2017. "Market leadership, technological progress and relative performance in the mobile telecommunications industry," Technological Forecasting and Social Change, Elsevier, vol. 123(C), pages 57-67.
    14. Mehmet APAN & İhsan ALP & Ahmet ÖZTEL, 2019. "Determination of the Efficiencies of Textile Firms Listed in Borsa İstanbul by Using DEA-Window Analysis," Sosyoekonomi Journal, Sosyoekonomi Society, issue 27(42).
    15. Angeliki Flokou & Vassilis Aletras & Dimitris Niakas, 2017. "A window-DEA based efficiency evaluation of the public hospital sector in Greece during the 5-year economic crisis," PLOS ONE, Public Library of Science, vol. 12(5), pages 1-26, May.

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