Pantheon Macroeconomics - As a general rule, the best forecast of ADP payrolls in any given month is the official estimate for private payrolls in the previous month. This partly reflects the simple observation that payroll trends, once established, tend to persist, but it also is a consequence of ADP's methodology. The ADP number is generated from a model which combines both data collected from firms which use ADP for payroll processing, and lagged official data. The latter appear to be more important in determining in the month-to-month swings in the ADP number. ADP does not hide the incorporation of lagged official data in its model--you can read about it in the technical guide to the report--but neither does it shout it from the rooftops.

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2 Sept. 2015 August ADP and Official Payrolls Likely to be sub-200K

By Ian Shepherdson

As a general rule, the best forecast of ADP payrolls in any given month is the official estimate for private payrolls in the previous month. This partly reflects the simple observation that payroll trends, once established, tend to persist, but it also is a consequence of ADP's methodology. The ADP number is generated from a model which combines both data collected from firms which use ADP for payroll processing, and lagged official data. The latter appear to be more important in determining in the month-to-month swings in the ADP number. ADP does not hide the incorporation of lagged official data in its model--you can read about it in the technical guide to the report--but neither does it shout it from the rooftops.

Posted: 2nd Sep 2015 in 'U.S. Documents'

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