This paper provides fascinating insights into real commodity prices over 160 years. (canadiancapitalist.com)
The post basically says that the drop in real commodity prices means Canadians have gotten poorer, this nobody can argue with. (worthwhile.typepad.com)
Then, between 1980 and 1983, the blue line recorded the first of a series of precipitous declines, as real commodity prices plummeted and B.C. endured its second - worst economic recession of the 20th century (after the Great Depression). (thetyee.ca)