Energy
8 years ago

Study Reveals Surprising Gap in Canadian Inflation Measures

Accounting for the Difference between the CPI and Personal Expenditure Price Index in Canada
Tarek M. Harchaoui, J. N. P. Hume, Jennifer Withington

Paper Summary

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The article explains why the Consumer Price Index (CPI) and the Personal Expenditure Price Index (PEPI) in Canada are different. The researchers looked at data from 1997 to 2005 and found that 45% of the difference is due to how the indexes are calculated, while 55% is because of differences in price and weight data. They also discovered that certain products with different measurement methods contribute the most to the gap between the two indexes.