Money Habits Start at the Kitchen Table, with Dr. Stephen Day
49%. That's how many basic personal finance questions the average American adult gets right, the same as in 2017.
Three takeaways
- Knowledge fades, habits stick. Financial education works, but its effects shrink the further you get from the class. Planning ahead and waiting for something you want are habits, and they start forming in early childhood.
- Kids can't learn from choices they never see. A parent taps a phone and a box shows up. Stephen's play-money "mini economy" puts the choices back on the kitchen table where kids can watch and practice.
- The years we skip are ages four to eight. High schools teach personal finance, but elementary school is when kids lock in their money habits.
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About this episode
Eight years of apps, podcasts, finance influencers and new high school requirements, and the average American adult still gets about half of basic personal finance questions right. Gen Z, the generation that grew up with a budgeting app on every phone, scores 38%. Adults with the lowest scores are twice as likely to be stuck in debt and three times as likely to be financially fragile. One car repair or one missed shift and everything wobbles.
Teaching more does help. Across 76 randomized experiments with more than 160,000 people, those who got financial education knew more and made better money decisions. When Georgia, Idaho and Texas required personal finance in high school, young adults there ended up with higher credit scores and fewer missed payments. So why hasn't the overall number moved? Because knowledge fades. What doesn't fade is habit.
I think we've been asking the wrong question. We keep asking what kids should know about money. The better question is when they start practicing money decisions. You don't learn to ride a bike by reading about balance, but learning about money by trial and error gets expensive. So how do kids practice somewhere safe?
Dr. Stephen Day has been answering that at his own kitchen table. He and his four kids run a mini economy with real jobs, play money, a household store and, yes, taxes. In this conversation he walks through how to set one up in an hour on a Saturday, why parents should do chores and get paid too, and what his family says instead of "opportunity cost." We also talk about how he went from academic journals to a book deal with a major publisher.
The bookTeach a Kid to Save by Dr. Stephen Day. The first chapter, his Mini Economy Quick Start Guide, is free on the Baker Publishing website.
Get the bookThis is an Amazon affiliate link. Decode Econ may earn a small commission if you buy through it, at no extra cost to you.
Our guest
Dr. Stephen Day teaches economics at Virginia Commonwealth University, runs the VCU Center for Economic Education, and trains teachers across Virginia with the Virginia Council on Economic Education. He has published peer-reviewed research on teaching economics and personal finance, and writes the Paper Robots newsletter on Substack. Connect with Stephen on LinkedIn
What we cover
- 00:00Today's number: 49%, and why financial literacy hasn't moved
- 03:30Why the world needed another parenting book about money
- 05:00Practice versus information: why telling kids about money bounces off
- 06:40Invisible money, and the kids who think the grocery store pays them
- 08:20The play-money economy: parents do chores and get paid too
- 11:10How to start: one hour on a Saturday, and turning a bookshelf into a fairy kingdom
- 14:50Finding your place in the economy: creation and maintenance
- 17:40Choices, work, goals and values
- 20:50Work, rest, and an hour of short videos nobody planned to watch
- 23:05When to start: why ages four to eight matter most
- 26:15"What do we say yes to, and what do we say no to?"
- 28:45From academic journals to a book deal: agents, platforms and 2,000 subscribers
Research mentioned in this episode
Fernandes, D., Lynch, J. G., & Netemeyer, R. G. (2014). Financial literacy, financial education, and downstream financial behaviors. Management Science, 60(8), 1861–1883. Read it
Kaiser, T., Lusardi, A., Menkhoff, L., & Urban, C. (2022). Financial education affects financial knowledge and downstream behaviors. Journal of Financial Economics, 145(2), 255–272. Read it
TIAA Institute & Global Financial Literacy Excellence Center. (2025). TIAA Institute-GFLEC Personal Finance Index. Read it
Urban, C., Schmeiser, M., Collins, J. M., & Brown, A. (2020). The effects of high school personal financial education policies on financial behavior. Economics of Education Review, 78, 101786. Read it
Whitebread, D., & Bingham, S. (2013). Habit formation and learning in young children. Money Advice Service. Read it
From my own research
Al-Bahrani, A., Weathers, J., & Patel, D. (2019). Racial differences in the returns to financial literacy education. Journal of Consumer Affairs, 53(2), 572–599. Read it
Al-Bahrani, A., Buser, W., & Patel, D. (2020). Early causes of financial disquiet and the gender gap in financial literacy: Evidence from college students in the Southeastern United States. Journal of Family and Economic Issues, 41(3), 558–571. Read it
For the classroom and your conversations
- What are we saying yes to, and what are we saying no to? Try it on the next family outing or weekend plan.
- When you pay with a phone or a card, how would a seven-year-old know what you gave up? How could you make that choice visible?
- What chores do the adults in your house do that the kids never notice? What would change if everyone did them at the same time?
- Stephen says all work is part creating something new and part maintaining something old. What does that split look like in your job or your schoolwork?
- For teachers: Stephen's dad, Harlan Day, created the classroom mini economy. What would a simple version look like in your class?
Do you run any kind of money system with your kids or students? Tell me what's worked.