Employment Cost Index
SHARE ON:![Facebook share on facebook](/https/www.bls.gov/images/icons/facebook.png)
![LinkedIn share on linkedin](/https/www.bls.gov/images/icons/linkedin.png)
ECI Methods Overview
An in-depth guide on how we create estimates and the concepts we measure.
How reliable are ECI estimates? Read more about measurements of error and calculating confidence intervals.
Explore working papers and publications on ways we improve methodology and analysis of trends in the data.
Detail on how we conduct the survey and short explanations of our concepts.