479. The Economist’s Guide to Parenting: 10 Years Later

Episode Summary

Executive Summary: This episode revisits Freakonomics’ decade-old parenting experiment by checking in on the economist parents and their now-grown kids. It finds that evidence-based, high-investment parenting can shape habits and values, but not in simple, deterministic ways: siblings diverge, kids push back, and outcomes reflect both privilege and personality as much as parental strategy. The episode reinforces the show’s core theme that nurture matters, but less than parents imagine.

Main Topics: Ten-year follow-up on economist parenting (Priority: 5/5): The episode revisits a 10-year-old Freakonomics segment on economist parents to see how their children turned out and whether evidence-based parenting predicted outcomes. Nature vs. nurture, revisited (Priority: 5/5): Parents repeatedly argue that parenting matters less than commonly believed, but also acknowledge that their choices still influence values, habits, and opportunities. Matilda Wolfers: evidence-based but independent (Priority: 4/5): Justin Wolfers and Betsy Stevenson’s daughter Matilda shows early communication skills, skepticism, and a strong ability to argue for what she wants, while rejecting the idea that every early intervention caused her personality. Sophia Sasserdot: economist’s child with Marxist politics (Priority: 5/5): Sophia, Bruce Sasserdot’s daughter, embraces care, mutual aid, and Marxist politics, showing that a parent’s worldview can inspire but does not fully determine a child’s own ideology. Brian Kaplan and homeschooling as anti-schooling (Priority: 4/5): Brian Kaplan’s twin sons reflect his libertarian, education-skeptical views, yet also illustrate that children may absorb selected principles while still making their own educational and life choices. Steve Levitt’s second-round parenting and humility (Priority: 5/5): Levitt reflects on raising younger children with more unconditional love and less control after the death of his firstborn, emphasizing that parents are not fully responsible for outcomes.

Key Arguments: Obsessive or intensive parenting may correlate with successful children, but correlation is not causation; underlying parental traits like IQ, work ethic, or privilege may explain much of the association. Evidence-based parenting can be useful, but parents should be humble because they cannot fully control who their children become. Early interventions such as sign language, sugar restrictions, and structured enrichment may help with specific skills, but they do not define a child’s personality or political identity. A parent’s values can influence a child’s worldview more than academic outcomes; Sophia’s politics reflect family care ethics, college exposure, and broader social events. Homeschooling can be understood as an attempt to maximize useful learning and minimize wasted schooling, but it does not guarantee ideological cloning of children. Levitt argues that loving children and supporting their agency matters more than trying to force achievement; his daughter Amanda’s nontraditional path is presented as a successful outcome despite not following the expected academic route. The episode’s overall conclusion is that nurture is “greatly overrated,” but not irrelevant; small differences in parenting can matter, yet genetics, peers, timing, and luck remain powerful forces.

Data Points: Time since original parenting episode: 10 years - The podcast revisits economist parents and their children a decade later. Matilda Wolfers' age: 12 - She is now old enough to articulate her own views on her upbringing. Oliver Wolfers' age: 8 - Matilda’s younger brother in the Wolfers-Stevenson household. Nanny salary: $50,000 per year - What Stevenson and Wolfers paid their former schoolteacher nanny in Washington. Total nanny-equivalent household cost estimate: $150,000 per year - A comparison made about the opportunity cost of a parent staying home instead of working. Sugar restriction end age: 3 - Matilda was raised sugar-free until her third birthday. Brian Kaplan homeschooling duration: 6 years - He homeschooled his twin sons for six years. Kaplan twins' age: 18 - Aidan and Tristan are college freshmen at Vanderbilt. Sophia Sasserdot's age: 21 - She is a Brown University junior. Levitt children count: 7 expected / 6 already living children referenced - Levitt says he is expecting his seventh child and discusses a large blended family. Levitt older daughters' age: 21 - Amanda and Lily are the oldest daughters from his first family. Levitt son's age: 18 - Nick is 18. Levitt daughter Sophie's age: 17 - Sophie is 17. Levitt younger daughters' ages: 4 and 3 - Anna is 4 and Nina is 3.

Pivotal Quotes: "I truly do believe in evidence-based parenting. But, you know, what are you maximizing?" — Justin Wolfers: Reflecting on the limits of data-driven childrearing and the goals of parenting. "I have trouble seeing how market economics and capitalism are actually meeting our goals of taking care of people." — Sophia Sasserdot: Explaining why she identifies as a Marxist despite being raised by an economist father. "The main punchline of this work is, yes, that nurture is greatly overrated." — Brian Kaplan: Summarizing his view of parenting research and the limited average effects of nurture.

Implications: Parents may influence tools, habits, and values, but not fully control outcomes. For listeners, the episode argues for humility, flexibility, and less anxiety about optimizing children into fixed results.