[dude3]

First, read this post and understand. If there was a true shortage, wages would be increasing.

http://www.bloomberg.com/news/2014-08-19/only-rich-know-wage...

[yincrash]

That is across all fields. Do you have a citation that they are not increasing in STEM positions? I would argue that fast rising housing prices in both NY and SF are in part due to fast rising salaries of tech jobs in both areas.