Observations

Dec 1970: 121

Updated: Aug 17, 2012 3:31 PM CDT

Units:

Percent of Trend,

Not Seasonally Adjusted

Frequency:

Monthly

Notes

Title	Release Dates

Index of American Business Activity for United States	2005-08-01	2005-08-01

Source

National Bureau of Economic Research	2005-08-01	2005-08-01

Release

NBER Macrohistory Database	2005-08-01	2005-08-01

Units

Percent of Trend	2005-08-01	2005-08-01

Frequency

Monthly	2005-08-01	2005-08-01

Seasonal Adjustment

Not Seasonally Adjusted	2005-08-01	2005-08-01

Notes

See L. Ayres, Turning Points In Business Cycles (New York, Macmillan, 1939) For Data Through 1922 To An Extra Decimal. These Data Were Computed By NBER From Deviations From Trend (100 Plus Or Minus Deviations). Source: Cleveland Trust Company, "American Business Activity Since 1790, " 16Th And 31St Editions For 1855-1970 Data. See Also The Business Bulletin. This NBER data series m12003 appears on the NBER website in Chapter 12 at http://www.nber.org/databases/macrohistory/contents/chapter12.html. NBER Indicator: m12003	2005-08-01	2005-08-01

Index of American Business Activity for United States (M12003USM516NNBR)