Economics and psychology revisited

Awhile back I commented on Galbraith's The Great Crash by emphasizing mass psychology as an important part of economic booms and busts. Today David Brooks in The New York Times has a column on the economics of technical innovation versus heavy industry: http://www.nytimes.com/2009/12/22/opinion/22brooks.html. Brooks emphasizes institutions, culture and psychology as important to the technologically- and organizationally- based economy we have now. He ends with the statement that "When it's about ideas, economics comes to resemble psychology." So true and so long in being recognized by the academic part of the discipline.