![U.S. flag](https://www.dol.gov/themes/opa_theme/img/flag-favicon-57.png)
An official website of the United States government
An empirical examination of causal price relationships from a stage-of-processing approach reveals that changes in the indexes for crude- and intermediate-goods prices often preceded changes in the CPI during the 1970s and 1980s; since the early 1990s, however, the relationship has become more tenuous.
Download PDF »