One of the major factors that doesn't seem to get sufficient airplay is foreign capital inflows. There is a clear distinction to be made between the foreign investor with no ties to Canada  to those who use foreign capital to acquire our  housing stock in a bid to settle here.

https://www.forbes.com/sites/insideasia/2017/02/22/china-capital-flight-migration/#19f65b7c4a37

IF you look at the chart in this article, there is a strong correlation to the accelerated capital outflows of Chinese capital and Canada's housing price index.  Noteworthy quote:  In 2011, the Chinese Central Bank estimated that about 18,000 government officials had left the country taking almost $7 million each. A survey from the same period showed that about 60% of rich Chinese wanted to migrate.

http://canadaimmigrants.com/canada-international-students-by-country-2015/

The number of foreign Chinese students in Canada has exploded.   They are settling here and bringing their capital here...