Is it possible to forecast using poorly measured data? According to the permanent income hypothesis, a low personal saving rate should predict rising future income (Campbell, 1987). However, the U.S. personal saving rate is initially poorly measured and has been repeatedly revised upward in...

Initially published estimates of the personal saving rate from 1965 Q3 to 1999 Q2, which averaged 5.3 percent, have been revised up 2.8 percentage points to 8.1 percent, as we document. We show that much of the initial variation in the personal saving rate across time was meaningless noise....

"This paper sets forth a discussion framework for the information requirements of systemic financial regulation. It specifically describes a potentially large macro-micro database for the U.S. based on an extended version of the Flow of Funds. I argue that such a database would have been of...