psychologically, this is called "rigidity". I have an article just published, which partly deals with the issue. You can access it freely at http://www.scirp.org/Journal/PaperInformation.aspx?PaperID=56169
It happens more often in science, not only with neoclassical economics. I do a rigidity experiment with my students, where you can show that 70% of people behave rigidly after 10 minutes introduction of training thoughts in a specific direction, even after telling them that the experiment is about rigidity. It is very difficult to escape. One needs training in "meta-methodology" in order to keep oneself open to alternative ways of thought. This of course is not part of the curriculum normally.