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The Equilibrium Effects of State-Mandated Minimum Staff-to-Child Ratios

Author

Listed:
  • Martín García-Vázquez

    (Washington University in St. Louis)

Abstract

Mandatory minimum staff-to-child ratios are a pervasive childcare market regulation in the US, and yet little is known about their effects on children's skills. This paper builds an equilibrium model of the childcare market and uses it to simulate the distribution of children’s skills at preschool entry under various mandatory minimum staff-to-child ratios. The model allows for rich family heterogeneity, an endogenous distribution of childcare quality at each age, and endogenous wages that clear the market for teachers and childcare workers. I prove identification and estimate the model using both individual-level and state-level data. Counterfactual simulations show that increasing the stringency of minimum mandatory staff-to-child ratios increases the wages of childcare workers by up to 4.33% and wages of lead teachers by up to 2.75%. Despite making paid childcare more expensive, more stringent regulations increase the level of skills at kindergarten entry for each percentile of the skill distribution, except for the lowest percentiles. The effects on the skill distribution are more pronounced for children born to single mothers than those born to two-parent families. Finally, these overall effects on the skill distribution mask large heterogeneity: Increases in ratios' stringency translate into big skill gains for some children and large drops for others. Both family characteristics and the equilibrium adjustment of teacher's wages are key in determining the children who gain and lose.

Suggested Citation

  • Martín García-Vázquez, 2025. "The Equilibrium Effects of State-Mandated Minimum Staff-to-Child Ratios," Working Papers 2024-025, Human Capital and Economic Opportunity Working Group.
  • Handle: RePEc:hka:wpaper:2024-025
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    File URL: http://humcap.uchicago.edu/RePEc/hka/wpaper/Garcia-Vazquez_2024_equilibrium-effects-state-minimum-staff-to-child.pdf
    File Function: First version, October 7, 2024
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    More about this item

    Keywords

    childcare; skill development; simulation; skill distribution;
    All these keywords.

    JEL classification:

    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models
    • J13 - Labor and Demographic Economics - - Demographic Economics - - - Fertility; Family Planning; Child Care; Children; Youth
    • C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium
    • I21 - Health, Education, and Welfare - - Education - - - Analysis of Education

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