In the print version of Reason magazine John Mackey, CEO of Whole Foods, is quoted:

If you ask the ordinary person what the purpose of a business is, they’ll say, “Well, it’s to make money.” Which is kind of a strange answer. Most entrepreneurs I’ve known were pursuing some type of dream, some type of passion.

I suspect his sample is biased, big time, to represent nth generation educated Americans who chose the self-employment route for its intrinsic qualities.

Can anyone point to some sources on the sociology of entrepreneurship?