Key points are not available for this paper at this time.
David D. McFarland, Intragenerational Social Mobility as a Markov Process: Including a Time- Stationary Mark-Ovian Model that Explains Observed Declines in Mobility Rates Over Time, American Sociological Review, Vol. 35, No. 3 (Jun., 1970), pp. 463-476
David D. McFarland (Mon,) studied this question.