Has economical mobility declined?

No, says a new newspaper yesteryear Raj Chetty et al.:

"We acquaint novel testify on trends inwards intergenerational mobility inwards the United States of America using administrative net income records. We discovery that percentile rank-based measures of intergenerational mobility convey remained extremely stable for the 1971-1993 nascence cohorts....[C]hildren entering the project marketplace today convey the same chances of moving upwards inwards the income distribution (relative to their parents) every bit children born inwards the 1970s."

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