Supply and demand does _not_ work everywhere else. That is a highschool-level interpretation of the astrology we call economics. Complex systems in reality are not defined by two simple lines on a graph.
If you use Google there is plenty of research disproving you from Canadian sources that pander to both Liberal and Conservative readership.
Economics is astrology partly because people like you believe everything at face value. Why on earth would " canadian sources" i.e. PR firms for big business shoot themselves in the foot by letting everyone know that the cheap labor they love is partly a cause of the housing crisis?
I'll give you the benefit of the doubt, like the saying goes "the road to ruin is paved in good intentions".
If you use Google there is plenty of research disproving you from Canadian sources that pander to both Liberal and Conservative readership.