Peer-reviewed article
Estimating Parental Demand for Children’s Screen Time in a Model of Family Labor Supply
Oh S, Vukina T ·
Summary
Written by AI, not yet AICS's view · claude-haiku-4-5-20251001This economic study models parental demand for children's screen time as part of parents' optimal labor-leisure decisions. Using data from two US longitudinal surveys, researchers applied economic theory to understand how parental wages affect decisions about screen time for children. The study reconciles economic theory with public health findings by showing income and substitution effects work in opposite directions.
Key points
- Screen time demand was modeled as a choice between time-intensive activities (e.g., violin lessons) and time-saving activities (e.g., video games)
- Higher parental wages increase substitution towards screen time (positive substitution effect)
- Higher parental wages decrease demand for screen time (negative income effect dominates)
- Study reconciles economic theory with public health literature on screen time
Limitations
This is a theoretical economic model focused on parental labor-leisure choices rather than an evaluation of child well-being outcomes or interventions. The document does not measure impacts on children's health, development, or any specific harms or benefits of screen time exposure.
Abstract
In a novel approach to model the demand for the children's screen time as the result of a parent's optimal labor-leisure choice, the study used a simple model of parental utility maximization subject to the money and time budget constraints to derive Marshallian parental demand functions for two types of child upbringing activities: time-intensive (violin lesson) and time-saving (video games). After the Slutsky decomposition, parental demand for children's screen time was shown to be similar to a Giffen good. Using the National Longitudinal Survey of Youth 1979 and Adolescent Brain Cognitive Development data, the wage equation was first estimated based on Heckman’s two-step correction procedure. Then, the total effect of an increase in wage rate on the parental demand for screen time was empirically decomposed into the substitution effect and the income effect. The study findings indicate that the substitution effect is positive, the income effect is negative, and the negative income effect dominates the substitution effect. We add to the existing literature by showing that the empirical findings in the public health and psychology literature can be reconciled with the theoretical predictions of the standard economic labor-leisure trade-off paradigm.