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    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/147072


    Title: 影視串流平台之競爭:訂價,片量與打擊未經授權的帳號共享
    Competition Between Video Streaming Platforms: Pricing, Video Numbers and the Crackdown on Unauthorized Account Sharing
    Authors: 林鳳儀
    Lin, Feng-Yi
    Contributors: 何靜嫺
    Ho, Shirley J.
    林鳳儀
    Lin, Feng-Yi
    Keywords: 影視串流平台
    網絡效果
    帳號共享
    video streaming platforms
    network effects
    account sharing
    Date: 2023
    Issue Date: 2023-09-01 15:34:14 (UTC+8)
    Abstract: 本文探討影視串流平台之競爭,並分析打擊未經授權的帳號共享對影視串流平台與市場造成之影響。我們提出了兩個理論模型,模型中皆存在兩家影視串流平台,為消費者提供具網絡效果的異質產品。在第一個模型中,設定消費者的偏好是一維的,而第二個模型則將消費者偏好擴展至二維表示。針對兩個模型,我們分別分析模型中存在與不存在市場擴張效果時的情形。研究結果顯示,在沒有市場擴張效果的一維和二維模型中,當某一平台打擊未經授權的帳號共享時,將導致自身利潤減少,並使其競爭對手利潤增加。此外,模擬結果表明,不論影視串流平台本身的決策是否能夠影響市場規模大小,當某一平台開始打擊未經授權的帳號共享時,此舉將會對自身造成負面影響,但有利於其競爭對手。另外,當平台有能力影響市場規模時,兩平台間的價格競爭趨於緩和。我們的研究結果也說明,在沒有考慮市場擴張效果下,二維模型比一維模型有更高的均衡片量、訂閱費、訂閱數與利潤。如果考慮了市場擴張效果,從二維模型轉向一維模型時,兩個影視串流平台的均衡訂閱數皆會上升。
    This paper explores the competition between video streaming platforms and investigates the effects of crackdown on unauthorized account sharing. We propose two theoretical models that incorporate two video streaming platforms offering heterogeneous products with network effects. In the first model, consumers’ taste is depicted as one-dimensional, whereas the second model expands consumers’ taste to a two-dimensional representation. We separately analyze scenarios with and without the market expansion effect in the two models. The findings indicate that in both one-dimensional and two-dimensional taste models, when there is no market expansion effect, a crackdown on unauthorized account sharing by one platform results in a decrease in its own profits and an increase in the profits of its competitors. Furthermore, the simulation results demonstrate that irrespective of whether platforms’ decisions can influence the market size, when a particular platform takes action against unauthorized account sharing, it will have a negative impact on itself but will confer benefits to its competitors. It also suggests that when platforms have the ability to affect the market size, price competition tends to ease. Our findings also illustrate that, in the absence of market expansion effects, the two-dimensional taste model yields higher equilibrium video numbers, subscription fees, number of subscribers, and profits compared to the one-dimensional taste model. Additionally, when accounting for the market expansion effects, transitioning from the two-dimensional taste model to one dimension leads to an increase in the equilibrium number of subscribers on both platforms.
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    Description: 碩士
    國立政治大學
    經濟學系
    110258033
    Source URI: http://thesis.lib.nccu.edu.tw/record/#G0110258033
    Data Type: thesis
    Appears in Collections:[經濟學系] 學位論文

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