David Blatt

💸 Want to Boost a Baby’s Future? Science Says Give Cash — No Strings Attached

May 8, 2025 · by David Blatt

Based on the 2024 study
“Effects of a monthly unconditional cash transfer starting at birth on family investments among US families with low income”
by Troller-Renfree, Costanzo, Duncan, Magnuson, Yoshikawa, Fox, Halpern-Meekin, Maynard, Noble & others
Published in Nature Human Behaviour
DOI: 10.1038/s41562-024-01915-7

What if improving a child’s life wasn’t about food stamps, daycare subsidies, or strict work requirements — but simply about giving families cash?

That’s exactly what a groundbreaking U.S. experiment tested — and the early results could reshape how we think about childhood poverty.


The Problem: Growing Up in Poverty Starts Early

More than 1 in 6 U.S. children live below the poverty line — and early childhood is when inequality digs in deepest.

Babies born into poverty are more likely to face developmental delays, stress, and fewer educational resources. These gaps can start before a child says their first word — and widen fast.

Policy efforts often focus on targeted programs. But what if the solution is simpler?


The Study: Cash From Birth, No Conditions

In the Baby’s First Years trial, researchers enrolled 1,000 low-income mothers from four U.S. cities. Right after childbirth, each mom was randomly assigned to one of two groups:

  • High Cash Group: received $333/month
  • Low Cash Group: received $20/month

Payments were unconditional — no applications, no receipts, no rules. Just money, delivered monthly, starting at birth.

This is the first randomized controlled trial in the U.S. to test what happens when you give poor families unrestricted cash from day one.


The Results: Small Cash, Big Shifts

By the time their children turned one, the higher-cash group showed measurable changes:

âś… Families receiving $333/month:

  • Spent more on child-specific needs: books, toys, learning materials
  • Were more likely to pay for formal childcare
  • Reported increased savings and more financial breathing room
  • Showed slightly more positive parenting and reduced stress

đźš« No major changes were seen in employment, time use, or housing.

But even without job or housing changes, the extra cash gave families flexibility — and they used it to benefit their kids.


Why This Works: Trust Parents, Reduce Stress

Unlike food stamps or service vouchers, unconditional cash lets parents choose what their families need most.

And the evidence is clear: poor families did not misuse the money. They made smart, developmentally helpful choices — starting from birth.

The cash also buffered them from daily stress, which research shows is toxic to early brain development.


What This Means for You

This study offers direct, U.S.-based evidence that monthly, no-strings-attached cash improves life for babies born into poverty:

✅ Parents invest more in their child’s development
âś… Financial stress drops without reducing work
âś… Real-world proof that unconditional aid works


What About Limitations?

🧪 Results are based on the first year — later outcomes (on cognition, school, health) are still coming
📋 Families were enrolled under research conditions — broader policy rollouts may differ
👩 Most participants were mothers — effects on other caregiver types weren’t studied
🔍 Some findings (like parenting behavior) were self-reported, not observed

Still, this is the most rigorous U.S. study to date showing how direct cash support from birth shapes a child’s early environment.


Bottom Line

If we want to change the trajectory of children born into poverty, this study offers a simple path:

đź’µ Start early. Send cash. Trust families.

It’s low-friction. It’s evidence-based. And it just might be the most powerful policy lever we haven’t fully pulled.