Asymmetric-valued Spectrum Auction and Competition in Wireless Broadband Services

Sang Yeob Jung; Seung Min Yu; Seong-Lyun Kim

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arXiv · 1307.7838

Asymmetric-valued Spectrum Auction and Competition in Wireless Broadband Services

Sang Yeob Jung·Seung Min Yu·Seong-Lyun Kim

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Abstract

We study bidding and pricing competition between two spiteful mobile network operators (MNOs) with considering their existing spectrum holdings. Given asymmetric-valued spectrum blocks are auctioned off to them via a first-price sealed-bid auction, we investigate the interactions between two spiteful MNOs and users as a three-stage dynamic game and characterize the dynamic game's equilibria. We show an asymmetric pricing structure and different market share between two spiteful MNOs. Perhaps counter-intuitively, our results show that the MNO who acquires the less-valued spectrum block always lowers his service price despite providing double-speed LTE service to users. We also show that the MNO who acquires the high-valued spectrum block, despite charing a higher price, still achieves more market share than the other MNO. We further show that the competition between two MNOs leads to some loss of their revenues. By investigating a cross-over point at which the MNOs' profits are switched, it serves as the benchmark of practical auction designs.

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Sang Yeob Jung, Seung Min Yu, Seong-Lyun Kim. 2014-01-25. Asymmetric-valued Spectrum Auction and Competition in Wireless Broadband Services. https://arxiv.org/abs/1307.7838

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