For many years I have been asking myself the same question: Are there universities that treat socioeconomic status as a major factor in college admissions (without taking race into consideration at all) and what are historical historical, political, and economic forces that prevent this trait from being more widespread in the US?. The points raised in *[Economist:Affirmative Action Should be based on Class not Race](https://www.economist.com/open-future/2018/09/04/affirmative-action-should-be-based-on-class-not-race)* seem too obvious to contradict. Among these are: polls showing support for socioeconomic status as a factor, polls showing the opposite view with respect to affirmative action, and studies showing that the former would dis proportionally benefit minorities. Books or academic articles on the subject would be very much appreciated.

I am not a historian. I have searched the question online but only found opinion articles and articles for or against affirmative action. I do not want a quick answer, I would rather be recommended a serious book or an academic paper.