Intertemporal Demand Spillover Effects on Video Game Platforms

• 成果类型: Article
• 署名作者: Haviv, Avery; Huang, Yufeng; Li, Nan
• 署名单位: University of Rochester; Tongji University
• 刊物名称: MANAGEMENT SCIENCE
• ISSN/ISSBN: 0025-1909
• DOI: 10.1287/mnsc.2019.3414
• 发表日期: 2020
• 页码: 4788-4807
• 关键词: demand spillover effect; platform strategy; natural experiment; video game

摘要

YMany platform strategies focus on indirect network effects between sellers through platform expansion. In this paper, we show sellers on the console video game platform generate a positive intertemporal spillover effect and expand the demand for other sellers, holding the set of platform adopters fixed. We propose a novel identification strategy that leverages exogenous variation in the release timing of games exclusively available on a console platform, and examine how this variation affects the sales of games available on both platforms. We find a sizable intertemporal demand spillover effect between games: A 1% increase in total copies sold on a platform leads to a 0.153% increase in the sales of other games in the next month (i.e., an elasticity of 0.153). Additional analysis suggests this demand spillover effect is reminiscent of habit formation on the consumer side, in that past purchases keep end users active on the platform. Our finding provides a potential explanation for recent platform sales events and subscription services that provide free games to consumers every month.