1. Pensions and retirement
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The Retirement Decision in Dynamic Microsimulation Models: An Exploratory Review

  1. Montserrat Gonzalez Garibay  Is a corresponding author
  1. Inštitut za ekonomska raziskovanja, Slovenia
Research article
Cite this article as: M. Gonzalez Garibay; 2023; The Retirement Decision in Dynamic Microsimulation Models: An Exploratory Review; International Journal of Microsimulation; 16(3); 19-48. doi: 10.34196/ijm.00287
2 figures and 8 tables

Figures

Flow of information through the phases of the systematic review. Source: template from Moher et al. (2009), filled and modified by the author following the example of Scharn et al. (2018).
Dynamic MSM modelling retirement by year of publication (n=32)

Tables

Table 1
Countries by number of MSM modelling retirement
Number of modelsCountry
1Belgium, Denmark, Finland, Germany, Hungary, Ireland, Netherlands, Norway, Sweden, Slovenia, Spain
2Australia, Canada, UK, Multi-Country
3US
4France
6Italy
  1. Source: own elaboration

Table 2
MSM modelling retirement by substantive components present in their retirement definition (n=32)
Substantive component of the retirement definitionNumber of models
Benefit take-up3
Transition out of employment4
Benefit take-up Transition out of employment24
Unknown1
Total32
  1. Source: own elaboration

Table 3
MSM modelling retirement by level at which the retirement decision is made (n=32)
Level at which the retirement decision is madeNumber of models
Individual30
Household1
Individual with possibility of analysing the household level1
Total32
  1. Source: own elaboration

Table 4
MSM modelling retirement by treatment of retirement as an absorbing state (n=32)
Retirement as an absorbing stateNumber of models
Yes23
No5
Unclear4
Total32
  1. Source: own elaboration

Table 5
MSM modelling retirement by relationship with other labour market decisions (n=32)
Relationship with other labour market decisionsNumber of models
Separate26
Part of labour market supply5
Unknown1
Total32
  1. Source: own elaboration

Table 6
MSM modelling retirement by relationship with other labour market decisions and origins of transition probabilities (n=32)
Origins of transition probabilities’ distributionRelationship with other labour market decisionsTotal
Part of labour market supplySeparateUnknown
Distribution estimated from statistical equation51520
Distribution from observed data415
Distribution from another simulation model33
User-defined distribution22
Unknown22
Total526132
  1. Source: own elaboration

Table 7
Basic features of dynamic probabilistic MSM assessing retirement as a separate labour market decision
SourceCountryName of modelSample size (approximate)Population categoriesData sourceTheoretical frameworkMethod of calculation of transition probabilitiesSource of parameters for the calculation of transition probabilitiesNumber of statistical equationsValidationExternal alignment
Harding et al., 2009AustraliaAPPSIM188000 individualsAustralian populationSurveyNo information providedLogitHistorical survey data2 M/F)Validation strategy, comparison with existing dataOptional, for total labour force participation
Debrand et al., 2012FranceARTEMIS1420598French private-sector employeesAdministrative and surveyNo information providedProbabilities assigned from empirical distributionDistribution of 1935 cohortNo equations estimatedNo information providedNo information provided
Mazzaferro and Morciano (2012)ItalyCAPP-DYN52772 individualsItalian populationSurveyOption-Value modelOptimisation equationNo information provided1No information providedNot for retirement, only for demographic variables
Belloni and Alessie, 2009; Borella and Moscarola, 2010ItalyCERPSIM3No information providedItalian populationAdministrative and surveyReduced-form econometric modelProbitHistorical administrative data2(M/F)Cross-sectional validation with available dataNo information provided
Bachelet et al., 2014; Blanchet et al., 2011; Buffeteau et al., 2011FranceDESTINIE II65000 individualsFrench populationSurveyReduced-form model (baseline)Logit (baseline) Optimization equation (application)Historical administrative data2(M/F)No specific information on validation of retirement decisionNot for retirement, only for demographic variables (alignment by adjustment of probabilities)
Ando and Nicoletti Altimari (2004)ItalyDYNAMITE25000 individuals per wave, 67000 households in totalItalian householdsSurveyReduced-form econometric modelOrdinary Least Squares
Continuous hazard model as an option
Historical survey data2 (planned age for everyone and revised decision for older workers)No information providedNot for retirement, only for demographic variables
Nataša Kump, personal communication, 2019, 2022SloveniaDyPenSI391425 individualsSlovenian populationAdministrative and surveyReduced-form econometric modelLogitStarting population2 (M/F)Comparison with alignment tablesOptional alignment for labour market
Patxot et al., 2018SpainDyPeSUnknownSpanish populationAdministrativeReduced-form econometric modelHazard modelHistorical administrative data2(M/F)No information providedNo information provided
Tikanmäki et al. (2014)FinlandELSI250000Adult Finnish populationAdministrativeNo information providedProbabilities assigned from another modelPTS macro modelNo information providedSample-testing and model calibration with register data from 2009-2013All transition probabilities are updated yearly according to projections from a semi-aggregate model
Brewer et al., 2007UKIFS Model12100 individualsBritish population over 50SurveyNo information providedLogitStarting population4 (M/F, full/part-time)Retroactive simulations are compared to existing data.For total labour force participation; alignment with observed data by adjusting probabilities
O’Donoghue et al. (2009)IrelandIrish Dynamic
Cohort
Microsimulation
Model
1000Synthetic cohortSimulatedNo information providedProbabilities assigned from empirical distributionCross-sectional Irish survey dataNo equations estimatedComparison with survey and administrative dataNo information provided
Maitino et al. (2020)ItalyIrpetDinNo information providedItalian citizensSurveyNo information providedOptimisation equationAssumption1Retroactive simulations are compared to existing dataFor total labour force participation
Richiardi and Richardson, 2017Multi-countryJAS-mine Labour Force ParticipationNo information providedCitizens from Italy, Spain, Ireland, Hungary and GreeceSurveyNo information providedProbabilities assigned from empirical distributionStarting populationNo equations estimatedNo information providedNo information provided
Leombruni and Richiardi, 2006ItalyLABORSim50000Italian populationSurveyNo information providedUser-definedUser-definedUser-definedNo information providedNot for retirement, only for demographic variables
Richiardi and Richardson, 2015UK, ItalyLABSimUnknown (112196 observations in regression analysis for IT, 84028 for UK)UK and IT populationSurveyNo information providedLogitUnclear2 per country (partnered/single)No information providedNot for retirement, only for demographic variables
Federaal Planbureau (2017)BelgiumMIDAS305019Belgian populationAdministrativeNo information providedProbabilities assigned from another modelMALTESE meso modelNo equations estimatedStylised validation through modelling (Dekkers)Retirement is aligned with MALTESE projections
Smith et al., 2007; Smith and Favreault, 2013USMINT782782 individualsUS populationSurveyReduced-form econometric modelProbitHistorical survey and administrative data2 (married/unmarried)Retroactive simulations are compared to existing dataNot for retirement, only for other variables
Fredriksen and Stølen, 2015;
Fredriksen (1998)
NorwayMOSART40000Norwegian populationAdministrativeNo information providedNo information providedPast retirement patternsNo information providedRetroactive simulations are compared to existing dataNo external alignment
van de Ven, 2011UKNIBAXNo information providedSynthetic cohortSimulatedStructural modelUtility maximisation functionsAssumption calibrated by survey dataNo information providedRetroactive simulations are compared to existing dataStructural parameter calibration using survey data
Gal et al., 2009HungaryNYIKA6000000Hungarian pension contributorsAdministrativeNo information providedNo information providedPast retirement patternsNo equations estimatedNo information providedNo information provided
Holmer et al., 2016USPENSIMNot fixedSynthetic cohortSimulatedReduced-form econometric modelUser-definedUser-definedUser-definedRetroactive simulations are compared to existing data, and cross-sectional validation with other modelsNo information provided
Berteau-Rapin et al., 2015FrancePRISME5000000 individualsPersons affiliated with French social securityAdministrativeNo information providedLogitStarting population46[2] (M/F, age - by trimester)Retroactive simulations are compared to existing data.No information provided
van Sonsbeek, 2011NetherlandsSADNAPUnknown (1% of the Dutch population)Dutch populationAdministrativeOption-Value modelOptimisation equationAssumption based on theoretical literature1Cross-sectional validation with available data and other models (not necessarily MS)Not for retirement, only for demographic variables
Flood et al., 2012SwedenSESIM III300000 individualsSwedish populationAdministrative and surveyReduced-form econometric modelLogitStarting population1No information providedNot for retirement, only for other variables
Caretta et al., 2013ItalyTDYMM43388Italian populationAdministrativeNo information providedProbabilities assigned from empirical distributionStarting populationNo equations estimatedRetroactive simulations are compared to existing dataNot for retirement, only for labour market modules
Duc et al., 2015FranceTRAJECTOIRE350000French pension contributorsAdministrativeNo information providedProbabilities assigned from another modelPROMESS cell-based modelAt least 12 (by sex, country of birth, generation, insurance duration, and contributing regime)Retroactive simulations are compared to existing dataIn some cases, the results of the transition probabilities are aligned with the PROMESS meso-model
  1. Source: own elaboration

Table 8
Explanatory variables in MSM assessing the retirement decision using an equation
VariablenModels
Birth cohort
 Birth cohort3Dynamite, CERPSIM3, MINT7
Demographics
 Age6APPSIM, DESTINIE II, IFS, DyPeS, MINT7, LabSIM
 Education10APPSIM, PRISME, DESTINIE II, DYNAMITE, IFS, DyPeS, SESIM III, MINT7, DyPenSI, LabSIM
 Gender4SADNAP, SESIM III, MINT7, LabSIM
 Marital status3APPSIM, DYNAMITE, IFS
 Origins2PRISME, MINT7
 Race of spouse1MINT7
Employment history
 Career length1DESTINIE II
 Past illness, inactivity, part-time employment or unemployment3APPSIM, PRISME, DESTINIE II
Employment-related variables
 Employment status (employed, unemployed, sick leave, fragmented employment, disability, self-employed)5PRISME, DyPeS, MINT7, DyPenSI, LabSIM
 Unemployment benefits1DyPeS
Economic incentives
 Accrual1SESIM III
 Expected Social Security Wealth1DYNAMITE
 Internal Rate of Return1DYNAMITE
 Net Present Value1SESIM III
 Option Value3DESTINIE II, SADNAP, CAPP-DYN
 Peak Value2CERPSIM3, DyPeS
 Potential benefits1DyPeS
 Replacement rate3SADNAP, DyPeS, MINT7
 Social Security Wealth (SSW)1CAPP-DYN
 Value of benefits1CERPSIM3
Geographic factors
 Region3DYNAMITE, CERPSIM3, LabSIM
Health
 Health status3APPSIM, IFS, MINT7
 Disability status1LabSIM
Household-related variables
 Age difference with spouse1MINT7
 Age of spouse1MINT7
 Contribution history of spouse1MINT7
 Dependents2DYNAMITE, MINT7
 Employment status of spouse4SESIM III, MINT7, DyPenSI, LabSIM
 Spouse reached pension age1LabSIM
 Spouse disability status1LabSIM
 Head of household1DYNAMITE
 Household composition1SESIM III
 Income earners in the household1DYNAMITE
 Income of spouse1MINT7
Macro variables
 Unemployment rate1DyPeS
Pension-related variables
 Age at maximum pension1DyPeS
 Coverage1MINT7
 Duration of coverage or contributions2PRISME, MINT7
 Eligibility conditions2DyPeS, MINT7
 Insurance in more than one regime1PRISME
 Time to maximum pension1DyPeS
 Reached pension age1LabSIM
Wealth and income
 Current income4DyPeS, SESIM III, IFS, LabSIM
 Family wealth1DYNAMITE
 Homeownership1MINT7
 Past income2DESTINIE II, MINT7
 Ratio financial wealth/past income1MINT7
 Wealth1MINT7
Work characteristics
 Occupation2DYNAMITE, CERPSIM3
 Sector3DYNAMITE, CERPSIM3, DyPenSI
Time dimension
 Year2DYNAMITE, IFS
 Continuous time1DYNAMITE
Other
 Inverse Mill’s ratio from probit estimate of being in the labour force1DYNAMITE
  1. Source: own elaboration

Data and code availability

The articles used in the review are all publicly available. The process of record selection, model selection, model classification and coding of each models’ features is provided in the supplementary Excel file (suppfile1_modeloverview.xlsx). Plese contact the journal for further details.

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