An official website of the United States government
Here is how you know
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.
The site is secure.
https:// ensures that you are connecting to the official website and that any
information you provide is encrypted and transmitted securely.
Michael K. Lettau,
Mark A. Loewenstein,
Steven P. Paben
A previous Monthly Labor Review article by the first two authors indicated that the ECI is relatively insensitive to the choice of aggregation formula used in its construction; data from 1995 to 2002 show that this is still the case.