DATA (UN)RELIABILITY Substantial downward revisions to May and June US payrolls data, the subsequent dismissal of the BLS Commissioner, and a large downward revision to the level of employment in the BLS' annual benchmark review have fueled concerns about US economic data quality. But such concerns aren't new or unique to the US. So, how concerned should we really be about the quality of global economic data? Former BLS Commissioner Erica Groshen, Laffer Associates' Arthur Laffer, Harvard's Alberto Cavallo, ...