CTPI - What does CTPI stand for? The Free Dictionary
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The results indicate that over the whole sample the CPILF has the highest correlation with the federal funds rate and the CTPI has the lowest correlation with the federal funds rate.
These results are interesting in that the CPILF and the PCELF have been touted as better measures of inflation that the CPI or the CTPI.
This is likely due to the fact that the MCPI is less affected by relative price movements than the CPI or the CTPI and is more closely related to monetary inflation, or changes in the overall price-level.