January’s consumer price index report, released Tuesday ... Another thing that changed between the December and January reports? The formula the Bureau of Labor Statistics uses to calculate ...

or CPI-U, which is put out by the U.S. Bureau of Labor Statistics (BLS). This formula has undergone numerous revisions from its creation in 1919 to the present day. Most notably, as Summers and ...

For example, the PCE formula adjusts its weights monthly, while the CPI does so yearly. When grocery shoppers switch to chicken after beef becomes more expensive, that change shows up in the PCE ...