Social mobility is usually seen as movement between different socio-economic strata of a society, that is, a change between social classes. Social mobility – rise or decline – may be studied in three aspects of life: in comparison to one’s parents (intergenerational mobility), over the course of one’s lifetime (Curriculum vitae; intragenerational mobility), or change of class through matrimony (exogamy or marital mobility). The so-called class system of the first c…