Digital Distractions with Peer Influence: The Impact of Mobile App Usage on Academic and Labor Market Outcomes

Panle Barwick (), Siyu Chen, Chao Fu and Teng Li

No 33054, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: Concerns about excessive mobile phone use among youth are mounting. We present, to our knowledge, the first estimates of both behavioral and contextual peer effects, along with comprehensive evidence on how students’ own and their peers’ app usage affect academic performance, physical health, and labor market outcomes. Our analysis draws on administrative data from a Chinese university covering three student cohorts over four years. We exploit random roommate assignments, an exogenous policy shock, and an exogenous event for identification. App usage is contagious: a one s.d. increase in roommates’ in-college app usage raises own usage by 5.8%. High app usage is harmful across all measured outcomes. A one s.d. increase in app usage reduces GPAs by 36.2% of a within-cohort-major s.d. and lowers wages by 2.3%. Roommates’ app usage reduces a student’s GPAs and wages through both disruptions and behavioral spillovers, generating a total negative effect that exceeds half the magnitude of the impact from the student’s own app usage. Extending China’s three-hour-per-week gaming restriction for minors to college students would boost their initial wages by 0.9%. High-frequency GPS and app usage data show that heavy app users spend less time in study halls, are more frequently late or absent from class, and get less sleep.

JEL-codes: D12 D90 E24 I23 L82 L86 Z13 (search for similar items in EconPapers)
Date: 2024-10
New Economics Papers: this item is included in nep-cna, nep-edu, nep-hea, nep-ict, nep-lab, nep-pay and nep-ure
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