The position taken by William Barnett in this panel discussion is that federal government agencies, including the Bureau of Labor Statistics, view researchers as being among those who comprise the audience for produced data, but not necessarily the most important members of that audience....

Using a dynamic linear equation that has a conditionally homoskedastic moving average disturbance, we compare two parameterizations of a commonly used instrumental variables estimator (Hansen (1982)) to one that is asymptotically optimal in a class of estimators that includes the conventional...