"Approximately half of parental income advantages are passed on to children. The IGE, when averaged across
all levels of parental income, is estimated at 0.52 for men and 0.47 for women. These estimates are at the high
end of previous estimates and imply that the United States is very immobile."
Lots more where that came from.
This isn't class warfare. It's a statement of fact that in the USA you are likely to remain in the income bracket you were born into. What do to about that is where "class warfare" begins, if you insist on using that term.
The entire point of "economic mobility" is as a measure of the extent to which that statement is not true.
https://en.wikipedia.org/wiki/Socioeconomic_mobility_in_the_... (cites several survey papers and 1 or 2 originals)
From a 2015 stanford report (https://web.stanford.edu/~pmitnik/EconomicMobilityintheUnite...):
"Approximately half of parental income advantages are passed on to children. The IGE, when averaged across all levels of parental income, is estimated at 0.52 for men and 0.47 for women. These estimates are at the high end of previous estimates and imply that the United States is very immobile."
Lots more where that came from.
This isn't class warfare. It's a statement of fact that in the USA you are likely to remain in the income bracket you were born into. What do to about that is where "class warfare" begins, if you insist on using that term.