?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%2F515%2F&rft.title=Medical+insurance+after+retirement%3A+mathematical+models&rft.creator=Huang%2C+H.&rft.subject=Social&rft.description=Currently%2C+Hong+Kong+residents+enjoy+one+of+the+most+generous+public+health+care+plans+in+the+world.+Most+of+the+services+are+covered+by+public+health+insurance.+Patients+pay+a+small+fraction+of+the+costs+for+visits+to+doctors+and+hospital+treatments.+However%2C+due+to+rising+medical+costs%2C+declining+government+funding%2C+and+an+aging+population%2C+the+current+public+health+plan+will+not+be+able+to+sustain%2C+and+more+medical+services+will+be+covered+by+the+private+sector+in+the+future.+It+is+likely+that+additional+medical+insurance+will+be+needed+to+cover+the+rising+costs%2C+especially+for+those+who+will+retire+in+the+future.%3D%3D%3DBased+on+this+projection%2C+the+presenting+company+proposes+a+special+medical+insurance+product%2C+which+covers+the+medical+expenses+of+the+clients+only+after+retirement.+The+main+question+is%2C+therefore%2C+when+an+individual+should+start+contribute+toward+this+medical+plan+after+retirement%3F+In+other+words%2C+if+it+is+necessary+to+obtain+such+a+plan%2C+should+an+individual+start+the+plan+immediately%2C+wait+until+he+or+she+retires%3F+If+not%2C+is+there+an+optimal+time+to+start+contributing+and+how+to+determine+the+amount+of+the+contribution%3F%3D%3D%3DWe+propose+several+mathematical+models+which+may+be+used+to+answer+these+questions.+We+will+restrict+ourselves+to+an+idealized+situation+by+assuming+that+the+premium+charged+by+the+insurance+will+be+used+only+to+cover+the+actual+medical+expenses.+We+will+neglect+other+direct+and+indirect+costs+as+well+as+the+profit.&rft.date=2002&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%2F515%2F1%2FMedical-insurance-after-retirement.pdf&rft.identifier=++Huang%2C+H.++(2002)+Medical+insurance+after+retirement%3A+mathematical+models.++%5BStudy+Group+Report%5D+++++