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.


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.

April 2006

Accounting for missing data in the Employment Cost Index

Song Yi

The Employment Cost Index (ECI) is compiled from information provided by employers and updated quarterly. Employers do not always provide all the information needed to compile the ECI. Therefore, an estimate is imputed for the missing data using information obtained from other similar establishments and employees. The imputed value provides a best guess for the missing data. New ECI procedures have improved the methods for dealing with missing values. The change incorporates the switch in industry and occupational classification--two of the core data elements used to match donors and recipients.

Download PDF »