Research
3 articles
The Unfunded Mandate: How Federal Promises Shape School Budgets
When Congress passed IDEA, they promised to fund 40% of special education costs. They've never come close. The actual number hovers around 15%. Someone has to make up the difference.
What Happens When You Measure Crime Where People Actually Live?
What happens when you swap county averages for neighborhood data? A 22-fold range in crime rates emerges.
The Data Quality Problem: How We Went From 49% to 12% Mobility Deserts
We found 49% of California census tracts were mobility deserts. After getting complete transit data, the corrected figure is 12%. Here's what went wrong—and how to avoid it.