?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F6%2F&rft.title=Customer+population+modelling+with+residence+time+structure&rft.creator=Wilson%2C+Eddie&rft.subject=Information+and+communication+technology&rft.description=In+many+service+industries%2C+companies+offer+a+variety+of+customer+packages%2C+with+differing+levels+of+service+and+associated+charges.+For+example%2C+in+the+case+of+cable+companies%2C+customers+may+choose+to+subscribe+to+different+bundles+of+channels+and+may+also+buy+phone+and+internet+services.+From+time+to+time%2C+customers+will+upgrade+to+a+more+expensive+package%2C+or+possibly+downgrade+or+discontinue+their+contract+altogether.+Numbercraft+asked+the+Study+Group+to+consider+models+for+how+the+number+of+customers+on+each+type+of+contract+will+change+over+time.+Such+models+could+be+used+to+forecast+companies'+future+income+and+also+to+ensure+that+marketing+campaigns+have+maximum+impact.&rft.date=2002-04&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F6%2F1%2FCustomers.pdf&rft.identifier=++Wilson%2C+Eddie++(2002)+Customer+population+modelling+with+residence+time+structure.++%5BStudy+Group+Report%5D+++++