Great, thanks! It looks like they didn't account for family wealth unless I'm mistaken. In the omitted variables section: > However, prior research using long

Great, thanks! It looks like they didn't account for family wealth unless I'm mistaken. In the omitted variables section: > However, prior research using longitudinal data from Australia with corrections for measurement error showed that a substantial impact of home library size on adult education existed net of the effects of academic ability (IQ) of adults or their father’s scholarly habitus (i.e. employment in occupations where use of books is common) as well as family income or wealth (Evans, et al., 2010).