[barrkel]

My GF is an economist, and she takes great exception at any phraseology that describes people as irrational. As far as she's concerned, everybody is rational. See this for more details: http://mises.org/library/what-do-austrians-mean-rational

[chongli]

Praxeology is a fringe theory espoused by radical libertarians. I'd even go so far as to call it a just-so story.