Last April, we were asked to contribute a question to Tim Kane's quarterly survey of economics bloggers for 2012-Q2. After reflecting on the potential causes for the very statistically unlikely number of upward revisions to the number of new jobless claims filed each week over the past year, we submitted the following question:
The Wall Street Journal has reported that the advance number of seasonally-adjusted initial unemployment insurance claims filed each week has been revised upward in 56 of the past 57 weeks. If this were a coin toss, the probability of that occurring would be 2,528,336,632,909,751 to 1, which makes the event extremely statistically unlikely. What is the primary reason behind why the BLS' collection and reporting of the initial data would appear to be so deeply flawed?
Here are the survey results:
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