Here is the key paragraph from Ernie Tedeschi, a former Obama Treasury economist, and the Times’s Claire Cain Miller (emphasis mine):
There’s also some evidence, though not conclusive, that the expansion of Medicaid under the Affordable Care Act might have increased employment, particularly for people with disabilities. Young single mothers’ participation increased four percentage points more in states that expanded Medicaid in 2014 versus those that didn’t.
This is not a slam dunk, as Tedeschi explained to me. Medicaid expansion isn’t a perfectly randomized experiment — Democratic-led states largely expanded and it was mostly