urban flight(в связи с недоступными ценами на недвижимость: My family moved from Toronto to rural Ontario one year ago, so I've lived and watched urban flight firsthand.ART Vancouver)
cohort who has experienced high material affluence(cohorts who have experienced high material affluence start to give high priority to values such as individual improvement, personal freedom, citizen input in government decisions, the ideal of a society based on humanism, and maintaining a clean and healthy environment Alex_Odeychuk)