{"id":"GSX:POP-006:A02","local_id":"A02","name":"Only completed extra births count","statement":"A birth paid for by a programme may be unchanged, brought forward, or permanently additional. Only the permanently additional group is credited as a lasting demographic response.","value":"qualitative","unit":"not a scalar","type":"model assumption","provenance":"Manuscript counterfactual groups","evidence_strength":"definition","sensitivity":"high","alternatives":["Counting rescheduled births as additional"],"href":"https://greyscienx.com/research/population-futures/the-price-of-another-child/assumptions/A02"}