{"id":"GSX:IND-005:A03","local_id":"A03","name":"Lifecycle ratios","statement":"Spares, maintenance and refurbishment equal 4.5 percent of the surviving installed base each year. Software, training and finance add 1.8 percent.","value":"4.5","unit":"percent of the surviving installed base per year","type":"model assumption","provenance":"Manuscript Part I","evidence_strength":"scenario ratio","sensitivity":"moderate","alternatives":["A different service intensity"],"href":"https://greyscienx.com/research/strategic-industrialisation/the-capital-goods-economy/assumptions/A03"}