Is it Time to Quit Thinking of Income Classes?

Engel's Laws and the concept of social class developed by Pierre Martineau have in recent years become increasingly important to those concerned with segmenting markets. In this article, the author suggests that marketers have not really begun to make effective use of the social class concept. He further suggests that substantial data now exist which would permit the use of social class criteria other than income class. [ABSTRACT FROM AUTHOR]