[tzs]

It is because basic economics is only a crude approximation for real world economics. That's why Economics departments at universities require you to take a few courses after Ec101 before they will give you a degree in the subject.

[civilized]

So after I take many more advanced economics courses, I will understand the unexplainable reason why housing prices will never go down no matter how much supply is increased? And why this conclusion is so certain that there is neither any evidence nor any need for evidence?