Economics Seminar (2020-22)

Topic: Viral Social Learning

Speaker: Yangbo Song,The Chinese University of Hong Kong, Shenzhen

Time: Dec.22, Tuesday. 13:00p.m.- 14:30p.m. Beijing Time

Location: Room 217, Guanghua Building 2

Abstract:

An innovation (e.g., new product or idea) spreads like a virus, transmitted by those who have previously adopted it. We characterize equilibrium adoption dynamics and the resulting lifecycle of virally-spread innovations. Herding on adoption can occur but only early in the innovation lifecycle, and all virally-spread innovations eventually become obsolescent. A producer capable of advertising directly to consumers finds it optimal to wait and allow awareness to grow virally initially after launch. When most innovations would otherwise be high (low) quality absent any viral social learning, running an optimal-length viral campaign decreases (increases) equilibrium investment in innovation quality.

Introduction:

宋阳波博士于香港大学获得经济金融学士学位，于加州大学洛杉矶分校取得经济学博士学位，2016年8月加入香港中文大学（深圳）经管学院。他的研究领域包括博弈论及其应用、信息经济学以及网络经济学。学术论文见于Journal of Economic Theory, Games and Economic Behavior, Journal of Economic Behavior and Organization, Economic Theory等期刊。

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