{"id":"GSX:POP-010:A02","local_id":"A02","name":"Average response","statement":"The average case combines later working lives, worth 700,000 additional workers, with 75,000 young immigrants a year. General productivity rises 0.6 percent a year and automation-related productivity 0.3 percent a year. Migrants enter work after a two-year lag and retire at 67.","value":"75000","unit":"young immigrants per year","type":"model assumption","provenance":"Manuscript average case","evidence_strength":"scenario","sensitivity":"high","alternatives":["About 90,000 arrivals a year, the inflow that would hold contributor headcount at 12 million"],"href":"https://greyscienx.com/research/population-futures/the-scarce-worker-economy/assumptions/A02"}