We use administrative data from Norway to examine recent trends in the association between parents' prime age earnings … disproportionally benefited lower class offspring. The rising influence of parents' earnings rank can partly be explained by a … strengthened intragenerational association between earnings rank and education among parents, as educational achievement has an …

particularly concerned with the extent to which their finding that income effects on child health are the result of spurious … estimates of the effect of parental education will be biased upwards. Moreover, it is very common for parental income data to be … grouped, in which case income is measured with error and the coefficient on income will be biased towards zero and there are …