Architectural, Engineering and Related Services Price Index (AESPI)

Summary of changes

Activity on this program started: 2013

Reference period of change - first quarter 2019

With the release of first quarter 2019 data, the base year of the AESPI has been updated to 2018=100. In addition, the geographical coverage of the AESPI has been expanded to include regional level indexes. Separate index aggregations are available by service for Canada and the geographic regions.

The historical continuity of the AESPI has been maintained, wherever possible, by linking the current AESPI in table 18-10-0164 with comparable historical index series published in archived data table 18-10-0045.

Reference period of change - third quarter 2015

Instrument design - In August of 2015 the first electronic version of the AESPI questionnaire was sent to respondents. This electronic questionnaire (EQ) was developed based on the paper version of the questionnaire. The EQ was focus-group tested with actual respondents during the spring of 2015. This focus group testing was performed by Statistics Canada's Questionnaire Design Resource Center in Montreal, Toronto and Calgary.

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