This is a universal phenomenon. Gregory Clark has tracked family names in the UK over eight centuries and shown that 'mobility rates are lower than conventiona

This is a universal phenomenon. Gregory Clark has tracked family names in the UK over eight centuries and shown that 'mobility rates are lower than conventionally estimated, do not vary across societies, and are resistant to social policies'. The names of the Norman colonizers of England in 1066 still strongly feature in the higher social classes. http://faculty.econ.ucdavis.edu/faculty/gclark/The%20Son%20Also%20Rises/EEH%202014.pdf http://faculty.econ.ucdavis.edu/faculty/gclark/The%20Son%20A....