Another point is that SES has been available as granular data for a lot longer than micro data regarding what are probably (?) drivers of SES. (I once graduated

Another point is that SES has been available as granular data for a lot longer than micro data regarding what are probably (?) drivers of SES. (I once graduated on micro data.) You’d want micro data on health, education, social relations and jobs in order to bring understanding to a new level. Those as time series are only now beginning to take form.