U.S. flag

An official website of the United States government

Department of Labor Logo United States Department of Labor
Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

February 1999

Possible measurement bias in aggregate productivity growth

William Gullickson, Michael Harper

By examining industry multifactor productivity in more detail, researchers can gain new insights into the hypothesis of measurement bias in aggregate output and productivity

Download PDF »