From NYT:
"The Census Bureau, the authoritative source of health insurance data for more than three decades, is changing its annual survey so thoroughly that it will be difficult to measure the effects of President Obama's health care law in the next report, due this fall, census officials said."From Megan McArdle:
"For several months now, whenever the topic of enrollment in the Affordable Care Act came up, I've been saying that it was too soon to tell its ultimate effects. We don't know how many people have paid for their new insurance policies, or how many of those who bought policies were previously uninsured. For that, I said, we will have to wait for Census Bureau data, which offer the best assessment of the insurance status of the whole population. Other surveys are available, but the samples are smaller, so they're not as good; the census is the gold standard. Unfortunately, as I invariably noted, these data won't be available until 2015.And,
I stand corrected: These data won't be available at all. Ever."
"Why, dear God, oh, why, would you change it in the one year in the entire history of the republic that it is most important for policy makers, researchers and voters to be able to compare the number of uninsured to those in prior years?"Well, the answer is right there in the question, isn't it?
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