Microsimulation in the UK: the current state of play Dr Paul Williamson Dept. of Geography University of Liverpool
ModelInstitutionStaticDynamicABMTax-benefitDemographicOtherPublic MultipleDWPXXXX MultipleTreasuryXXXX PPIXXX IFSXX OPERAStirlingXXX MOSESLeedsXX SCOTSIMLiverpoolXX SAGEMODSouthamptonXXX SimBritainSheffieldXXX EUROMODEssexXXX LawsonEssexX?XXX AndersonEssex S-ParamicsSIASXXX SimDELTADSCXXX SOCSIMLSEXXX CARESIMUEAXXX FEARLUSMLURIX ADaPTSouthamptonXX ?YorkX ?LeedsXXX Current MSM in the UK: an overview
% of non-fitting synthetic combinations PARTIALLY CONSTRAINED DISTRIBUTIONS DistributionRural (South West) ‘Middling England’ (East Mids.) Deprived industrial (North) Deprived urban (Outer London) SEG / Household composition 0000 SEG / Rooms Household composition / Dependants 0000 Dependants / Tenure0000 Sex / marital status / tenure Illness / sex Synthetically estimated spatial microdata
Telephony: 2005/6 Simulated household weekly telephone bill (landlines) (FES 2005/6) EEDA, LSOA level Ward level comparison with BT billing data (EEDA, Ward level) Spearman rho = , p < 0.001
Simulated ‘work time’ ONS Time-Use Survey (2001) and Census 2001 East of England, LSOA Validation: –(Spearman rho = , p < 0.001) –Strong correlation with Census 2001 ‘work time’
% More happy than usual
Happiness & Life Events EventCorrelation Top 5 negative associations Relationships (mine ending) Death (parent) Healthparent Death (other) Employment job loss Top Five positive associations Relationships (mine starting)0.160 Employment job gain0.097 Finance (house)0.097 Pregnancy (mine)0.084 Pregnancy (child's)0.053
OPERA (1) Costs (% disposable income) of various Local Tax structures
(2) Change in costs given changing Dementia prevalence
Workflow Research Object Portlet MOSES
Simulation Database Aggregate To Migrant Population Aggregate To Vacant Dwellings Migrant generation model Spatial Interaction Model Compute dwelling preference for each migrant Update Location and Dwelling Characteristics ‘Conventional’ migration distribution procedure
ABM in MOSES Observed MSM ABM
Modelling Individual Consumer Behaviour
ABM v. MSM?
t4t4 t1t1 t2t2 t3t3 The Global Epidemic Simulator
Modelling Needs and Resources of Older People to 2030 (MAP2030)
SOCSIM
Average number of living grand children and grand parents (complete)
CARESIM: adding new cohort of people now aged Need to simulate pensions & retirement
CONCLUSION In a number of fields UK MSM is world-leading Challenges All models Maintenance/updating/upgrading/validation Increased collaboration Increasing user base Academic models Greater public policy influence