Educational researchers have known for many years that K-12 educational achievement is directly tied to socioeconomic status. This data show the more affluent students are, the better they do in ...
https://doi.org/10.15609/annaeconstat2009.138.0077 • https://www.jstor.org/stable/10.15609/annaeconstat2009.138.0077 Copy URL By being indexed backwards on the wage ...