{"id":"GSX:POP-001:M01","local_id":"M01","name":"Two retirement machines","statement":"One lens is a funded individual account. The other is a pay-as-you-go public pension aged for 260 years so each fertility and longevity pair can settle. The manuscript uses them as lenses. They are not a literal replica of one South African institution.","href":"https://greyscienx.com/research/population-futures/when-retirement-becomes-impossible/models/M01"}