The vertical segmentation in 1999 leads to double marginalization, but it has actually promoted competition in the long run. (3) The horizontal segmentation in 2001 has ultimately facilitated network competition and improved social welfare.
用博弈论模型对电信业三次改革的绩效进行了研究,结果表明:1994年联通进入电信市场增加了竞争,但在位厂商的策略性行为会阻碍其进入;1999年纵向分割虽然引起了双重加价,但从长期看是推动了竞争;2001年横向分割最终引起网络竞争,增加了社会福利。
参考来源 - 基于SCP理论的我国电信运营业改革绩效研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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