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  • 1.
    Andersson, Christian
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Johansson, Per
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics. Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Social stratification and out-of-school learning2013In: Journal of the Royal Statistical Society: Series A (Statistics in Society), ISSN 0964-1998, E-ISSN 1467-985X, Vol. 176, no 3, p. 679-701Article in journal (Refereed)
    Abstract [en]

    To study the effects of out-of-school learning we use data on children who stayed in boarding houses while attending public elementary schools in Sweden in the 1940s. The out-of-school environment at the boarding houses could be considered as being more conducive to learning than the home environment: the pupils at the boarding houses had daily scheduled time for doing their homework with the assistance of a junior school teacher and, in addition, they had access to a small library. The placement at boarding houses was based on the distance from their place of residence to the nearest school and thus had no direct connection to the pupils' skills, which simplifies the empirical analysis based on register data. We find that the more conducive learning environment equalized skills at school leaving age, and the effect was greater for children with poor initial ability.

  • 2.
    Anderzén, Ingrid
    et al.
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Social Medicine.
    Demmelmaier, Ingrid
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Caring Sciences.
    Hansson, Ann-Sophie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Social Medicine.
    Johansson, Per
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics. Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Lindahl, Erica
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics. Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Winblad, Ulrika
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Health Services Research.
    Samverkan i Resursteam: effekter på organisation, hälsa och sjukskrivning2008Report (Other academic)
    Abstract [sv]

    Vi utvärderar samverkansformen Resursteam, som bedrivits som ett försök för att minska långa sjukskrivningar. Resursteam innebär att ett team med hand-läggare från Försäkringskassan, husläkare, sjukgymnast och beteendevetare, vid regelbundna möten bedömer sjukskrivna personers rehabiliteringsbehov och ger förslag på åtgärder. Det övergripande syftet är att skatta effekten av Resursteam på den försäkrades sjukskrivningslängd och självskattade hälsa. Vi har genomfört (i) en kartläggning av verksamheten, (ii) en enkätstudie till sjuk-skrivna som deltagit i Resursteam och till jämförelsepersoner samt (ii) skattat effekten av Resursteam på självskattad hälsa och sjukskrivning. Resultaten är entydiga och visar på inga eller negativa effekter för de personer som ingått i Resursteam. Som exempel kan nämnas att tiden i sjukskrivning förlängs med cirka 20 procent i genomsnitt.

  • 3. Angelov, Nicolay
    et al.
    Johansson, Per
    Kennerberg, Louise
    Välja fritt och välja rätt: drivkrafter för rationella utbildningsval2008Report (Refereed)
  • 4.
    Angelov, Nikolay
    et al.
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Centre for Research Ethics and Bioethics.
    Johansson, Per
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Statistics. Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Lindahl, Erica
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Parenthood and the Gender Gap in Pay2016In: Journal of Labor Economics, ISSN 0734-306X, Vol. 34, no 3, p. 545-579Article in journal (Refereed)
    Abstract [en]

    We compare the income and wage trajectories of women to those of their male partners before and after parenthood. Focusing on the within-couple gap allows us to control for both observed and unobserved attributes of the spouse and to estimate both short-and long-term effects of entering parenthood. We find that 15 years after the first child has been born, the male-female gender gaps in income and wages have increased by 32 and 10 percentage points, respectively. In line with a collective labor supply model, the magnitude of these effects depends on counterfactual relative incomes or wages within the family.

  • 5.
    Avdic, Daniel
    et al.
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. CINCH, Essen, Germany.; Univ Duisburg Essen, Duisburg, Germany..
    Johansson, Per
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Statistics. Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. UCLS, Uppsala, Sweden.; IZA, Bonn, Germany..
    Absenteeism, Gender and the Morbidity–Mortality Paradox2017In: Journal of applied econometrics (Chichester, England), ISSN 0883-7252, E-ISSN 1099-1255, Vol. 32, no 2, p. 440-462Article in journal (Refereed)
    Abstract [en]

    Women are, on average, more often absent from work for health reasons than men, but live longer. This conflicting pattern suggests that the gender absenteeism gap arises partly from factors unrelated to objective health. An overlooked explanation is that men and women might have different preferences for absenteeism due to different attitudes to, for example, risk. Using detailed administrative data on absenteeism, hospitalizations, and mortality, we evaluate the existence of gender-specific preferences for absenteeism and analyze whether these differences are socially determined. We find robust evidence of gender differences in absenteeism that cannot be explained by poorer objective health among women.

  • 6. Bergman, Mats A.
    et al.
    Johansson, Per
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Foreign ownership and investment: do firms locate investments close to the headquarter?2011In: Review of World Economics, ISSN 1610-2878, E-ISSN 1610-2886, Vol. 147, no 4, p. 621-642Article in journal (Refereed)
    Abstract [en]

    Using an international panel data set of the European pulp and paper industry, we address the issue of a possible home-bias effect for real investments in plants with foreign and domestic locations. We find that there is no effect after controlling for firm effects and plant and firm size. These findings are rubust to a number of different econometric specifications, including a difference-in-difference approach. Our findings appear to be relevant for the debate on the effect of foreign takeovers. As far as we are aware, home-bias effects in real investments within multinational firms have not been studied previously.

  • 7.
    de Luna, Xavier
    et al.
    Umea Univ, Dept Stat, USBE, SE-90187 Umea, Sweden..
    Fowler, Philip
    Umea Univ, Dept Stat, USBE, SE-90187 Umea, Sweden..
    Johansson, Per
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Statistics. Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. Inst Study Labor IZA, Bonn, Germany..
    Proxy variables and nonparametric identification of causal effects2017In: Economics Letters, ISSN 0165-1765, E-ISSN 1873-7374, Vol. 150, p. 152-154Article in journal (Refereed)
    Abstract [en]

    Proxy variables are often used in linear regression models with the aim of removing potential confounding bias. In this paper we formalise proxy variables within the potential outcomes framework, giving conditions under which it can be shown that causal effects are nonparametrically identified. We characterise two types of proxy variables and give concrete examples where the proxy conditions introduced may hold by design.

  • 8. de Luna, Xavier
    et al.
    Johansson, Per
    Graphical diagnostics of endogeneity2008In: Advances in Econometrics, ISSN 0731-9053, Vol. 21, p. 149-168Article in journal (Refereed)
  • 9.
    Engström, Per
    et al.
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics, Uppsala Center for Fiscal Studies. Uppsala Center for Labor Studies (UCLS).
    Hägglund, Pathric
    Johansson, Per
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. Institute of Labor Economics (IZA); Inspektionen för socialförsäkringen (ISF); Uppsala Center for Labor Studies (UCLS).
    Early Interventions and Disability Insurance: Experience from a Field Experiment2017In: Economic Journal, ISSN 0013-0133, E-ISSN 1468-0297, Vol. 127, no 600, p. 363-392Article in journal (Refereed)
    Abstract [en]

    We estimate the effects of early assessments of an individual's need for vocational rehabilitation in the Swedish sickness insurance system using a field experiment. One of the interventions increases the flow to disability benefits by 20%. The effect is larger for unemployed individuals, who also are covered by the sickness insurance scheme. This result is in line with a theoretical model with moral hazard and asymmetric information in which individuals with low work incentives communicate worse health in response to the assessment for rehabilitation which then increases the hazard to disability benefits.

  • 10. Engström, Per
    et al.
    Hägglund, Pathric
    Johansson, Per
    Tidiga insatser för sjukskrivna – rätt medicin för lägre sjukfrånvaro?2013In: Ekonomisk Debatt, ISSN 0345-2646, no 2, p. 28-36Article in journal (Refereed)
  • 11.
    Engström, Per
    et al.
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Johansson, Per
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    The medical doctors as gatekeepers in the sickness insurance?2012In: Applied Economics, ISSN 0003-6846, E-ISSN 1466-4283, Vol. 44, no 28, p. 3615-3625Article in journal (Refereed)
    Abstract [en]

    Based on a randomized experiment, we estimate effects from notification to medical doctors of tighter monitoring of their Medical Certificates (MCs). Both the time prescribed by the doctor certificates for sick leave (prescribed sick leave) and the impact on the length of the actual sickness absence (actual sick leave) is studied. We find no effect on the total number of prescribed sick leave days. However, we do find an increase in both prescribed and actual sick leave with a 25% work inability. We also find that the notification letter causes an increase in actual sick leave (i.e. the number of reimbursed sick days). We discuss a number of potential explanations for this rather surprising result.

  • 12.
    Eriksson, Stefan
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Johansson, Per
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics. Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Langenskiöld, Sophie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences.
    Vad är värst - dålig hälsa, utländsk bakgrund eller 55+?2013In: Ekonomisk Debatt, ISSN 0345-2646, Vol. 41, no 5, p. 14-26Article in journal (Other (popular science, discussion, etc.))
  • 13.
    Eriksson, Stefan
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Johansson, Per
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Statistics.
    Langenskiöld, Sophie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Health Economics. Karolinska Institutet, Medical Management Centre, Department of Learning, Informatics, Management and Ethics.
    What is the right profile for getting a job?: A stated choice experiment of the recruitment process2017In: Empirical Economics, ISSN 0377-7332, E-ISSN 1435-8921, Vol. 53, no 2, p. 803-826Article in journal (Refereed)
    Abstract [en]

    We study the recruitment behaviour of Swedish employers using data from a stated choice experiment. In the experiment, the employers are first asked to describe an employee who recently and voluntarily left the firm and then to choose between two hypothetical applicants to invite to a job interview or to hire as a replacement for their previous employee. The two applicants differ with respect to characteristics such as gender, age, education, work experience, ethnicity, religious beliefs, family situation, weight, and health, but otherwise have similar characteristics as the previous employee. Our results show that employers prefer not to recruit applicants who are old, non-European, Muslim, Jewish, obese, have several children, or have a history of sickness absence. We also calculate the reduction in wage costs needed to make employers indifferent between applicants with and without these characteristics, and find that wage costs would have to be reduced by up to 50 % for applicants with some characteristics.

  • 14.
    Eriksson, Stefan
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Johansson, Per
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Statistics. Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Langenskiöld, Sophie
    Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Health Economics.
    What is the Right Profile for Getting a Job? A Stated Choice Experiment of the Recruitment Process2016In: Empirical Economics, ISSN 0377-7332, E-ISSN 1435-8921Article in journal (Refereed)
  • 15.
    Eriksson, Stefan
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Johansson, Per
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Langenskiöld, Sophie
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    What is the right profile for getting a job?: A stated choice experiment of the recruitment process2012Report (Other academic)
    Abstract [en]

    We study the recruitment behavior of Swedish employers using data from a stated choice experiment. In the experiment, the employers are first asked to describe an employee who recently and voluntarily left the firm, and then to choose between two hypothetical applicants to invite to a job interview or to hire as a replacement for their previous employee. The two applicants differ with respect to characteristics such as gender, age, education, experience, ethnicity, religious beliefs, family situation, weight, and health. Our results show that employers discriminate against applicants who are old, non-European, Muslim, Jewish, obese, have several children, or have a history of sickness absence. Expressed in wage terms, this discrimination corresponds to a wage reduction of up to 50 percent. Moreover, increasing the firms’ cost of uncertainty in hiring – through more firm co-payment in the sickness benefit system – may reduce hiring, but does not affect the degree of discrimination. Also, there are only small differences in the degree of discrimination between different types of recruiters and firms. Overall, our results suggest that the discrimination, at least partially, should reflect statistical discrimination.

  • 16.
    Forslund, Anders
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Economics.
    Johansson, Per
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Economics.
    Lindqvist, L
    Kan anställningsstöd minska arbetslösheten?2005In: Ekonomisk Debatt, Vol. 4, p. 6-16Article in journal (Other (popular scientific, debate etc.))
  • 17. Gronqvist, Hans
    et al.
    Johansson, Per
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Niknami, Susan
    Income inequality and health: Lessons from a refugee residential assignment program2012In: Journal of Health Economics, ISSN 0167-6296, E-ISSN 1879-1646, Vol. 31, no 4, p. 617-629Article in journal (Refereed)
    Abstract [en]

    This paper examines the effect of income inequality on health for a group of particularly disadvantaged individuals: refugees. Our analysis draws on longitudinal hospitalization records coupled with a settlement policy where Swedish authorities assigned newly arrived refugees to their first area of residence. The policy was implemented in a way that provides a source of plausibly random variation in initial location. The results reveal no statistically significant effect of income inequality on the risk of being hospitalized. This finding holds also for most population subgroups and when separating between different types of diagnoses. Our estimates are precise enough to rule out large effects of income inequality on health.

  • 18.
    Hartman, Laura
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Hesselius, Patrik
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Johansson, Per
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Effects of eligibility screening in the sickness insurance: Evidence from a field experiment2013In: Labour Economics, ISSN 0927-5371, E-ISSN 1879-1034, Vol. 20, p. 48-56Article in journal (Refereed)
    Abstract [en]

    We study the effects of screening stringency in the Swedish sickness insurance system by exploiting a field experiment. The experiment was conducted on 270,000 individuals in two geographical areas with the treatment group randomized by date of birth. The screening of eligibility was reduced for the treated by the postponement of the requirement for a doctor's certificate from day eight to day fifteen in a sickness benefit spell. The results show that extending the waiting period increased the length of sickness absence by on average 0.6 days. The experiment increased sickness benefit expenses but reduced the number of visits to a doctor. Our results show that postponing the requirement for a doctor's certificate increases public expenses for the sickness insurance system.

  • 19.
    Hesselius, Patrik
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Economics.
    Johansson, Per
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Economics.
    Larsson, Laura
    Hur påverkar kravet på läkarintyg sjukfrånvaron? Erfarenheter från ett soci-alt experiment2005Report (Other (popular scientific, debate etc.))
  • 20.
    Hesselius, Patrik
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Economics.
    Johansson, Per
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Economics.
    Larsson, Laura
    Monitoring sickness insurance claimants: Evidence from a social experi-ment,2005Report (Other (popular scientific, debate etc.))
  • 21. Hesselius, Patrik
    et al.
    Johansson, Per
    Vikström, Johan
    Påverkas individen av omgivningens sjukfrånvaro?2008In: Ekonomisk Debatt, ISSN 0345-2646, no 7, p. 44-53Article in journal (Refereed)
  • 22.
    Hesselius, Patrik
    et al.
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Johansson, Per
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Vikström, Johan
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Social Behaviour in Work Absence2013In: Scandinavian Journal of Economics, ISSN 0347-0520, E-ISSN 1467-9442, Vol. 115, no 4, p. 995-1019Article in journal (Refereed)
    Abstract [en]

    By making use of a large-scale randomized experiment, we test whether social behaviour is important for work absence due to illness. The individuals treated in the experiment were exposed to less monitoring of their eligibility to collect sickness insurance benefits, which sharply increased their non-monitored work absence. This exogenous variation is exploited in two complementary analyses. In both analyses, we find significant social-behaviour effects. Using detailed data, we conclude that the social-behaviour effects most likely stem from fairness concerns.

  • 23. Hägglund, Pathric
    et al.
    Johansson, Per
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Statistics.
    Sjukskrivningarnas anatomi: en ESO-rapport om drivkrafterna i sjukförsäkringssystemet2016Report (Refereed)
  • 24. Hägglund, Pathric
    et al.
    Laun, Lisa
    Johansson, Per
    Rehabiliteringsgarantins effekter på hälsa och sjukfrånvaro2013In: Ekonomisk Debatt, ISSN 0345-2646, no 5, p. 62-70Article in journal (Refereed)
  • 25.
    Jans, Jenny
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Statistics.
    Johansson, Per
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Statistics. IZA.
    Nilsson, Peter
    IIES, Stockholm, Sweden;Stockholm Univ, Stockholm, Sweden; UCLS, Uppsala, Sweden.
    Economic status, air quality, and child health: Evidence from inversion episodes2018In: Journal of Health Economics, ISSN 0167-6296, E-ISSN 1879-1646, Vol. 61, p. 220-232Article in journal (Refereed)
    Abstract [en]

    Normally, the temperature decreases with altitude, allowing air pollutants to rise and disperse. During inversion episodes, warmer air at higher altitude traps air pollutants at the ground. By merging vertical temperature profile data from NASA with pollution monitors and health care records, we show that inversions increase the PM10 levels by 25% and children's respiratory health problems by 5.5%. Low-income children are particularly affected, and differences in baseline health seem to be a key mediating factor behind the effect of pollution on the SES health gap. Policies that improve dissemination of information on inversion status may hence improve child health, either through private action or via policies that curb emissions during inversion episodes.

  • 26.
    Johansson, Per
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Economics.
    Comment on Philip de Jong and Maarten Lindeboom:: Privatisation of sickness insurance: Evidence from the Netherlands2004In: Swedish Economic Policy Review, Vol. 11, p. 145-149Article in journal (Refereed)
  • 27. Johansson, Per
    Höjd metodkunskap viktigare än experiment2013In: Läkatidningen, no 29-31Article in journal (Refereed)
  • 28. Johansson, Per
    Speed limitation and motorway road casualties: a time series count data regression approach1996In: Accident Analysis and Preventation, Vol. 26, p. 73-87Article in journal (Refereed)
  • 29. Johansson, Per
    Tests for serial correlation and overdispersion in a count data regression model1995In: Journal of Statistical Computation and Simulation, ISSN 0094-9655, E-ISSN 1563-5163, Vol. 53, p. 153-164Article in journal (Refereed)
  • 30. Johansson, Per
    et al.
    Aydin, Eshat
    Bergendorff, Sisko
    Granqvist, Nina
    Josephson, Malin
    Sohlberg, Inger
    Arbetslivsinriktad rehabilitering2010Report (Refereed)
  • 31. Johansson, Per
    et al.
    Bergkvist, E.
    Weighted derivative estimation of quantal response model: simulations and applications to choice of truck freight carrier2000In: Computational statistics (Zeitschrift), ISSN 0943-4062, E-ISSN 1613-9658, Vol. 15, p. 485-511Article in journal (Refereed)
  • 32.
    Johansson, Per
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Economics.
    Broström, Göran
    Palme, Mårten
    Economic Incentives and Gender Differences in Work Absence Behavior2004In: Swedish Economic Policy Review, Vol. 11, p. 33-63Article in journal (Refereed)
  • 33. Johansson, Per
    et al.
    Brännäs, K.
    A houshold model for work absence1998In: Applied Economics, ISSN 0003-6846, E-ISSN 1466-4283, Vol. 30, p. 1493-1503Article in journal (Refereed)
  • 34. Johansson, Per
    et al.
    Brännäs, K.
    Panel data regression for counts1996In: Statistical papers, ISSN 0932-5026, E-ISSN 1613-9798, Vol. 37, p. 191-213Article in journal (Refereed)
  • 35. Johansson, Per
    et al.
    Brännäs, K.
    Time series count data regression1994In: Communications in Statistics, Vol. 23, p. 2907-2925Article in journal (Refereed)
  • 36. Johansson, Per
    et al.
    Cameron, C.
    Count data regression using series expansions with applications1997In: Journal of applied econometrics (Chichester, England), ISSN 0883-7252, E-ISSN 1099-1255, Vol. 12, p. 203-223Article in journal (Refereed)
  • 37.
    Johansson, Per
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Economics.
    De Luna, X
    Exogeneity in Structural Equation Models2005In: Journal of Econometrics.Article in journal (Other (popular scientific, debate etc.))
  • 38.
    Johansson, Per
    et al.
    Uppsala University, Humanistisk-samhällsvetenskapliga vetenskapsområdet, Faculty of Social Sciences, Department of Economics.
    De Luna, X
    Exogeneity in Structural Equation Models2006In: Journal of Econometrics, Vol. 132, p. 527-543Article in journal (Other (popular scientific, debate etc.))
  • 39. Johansson, Per
    et al.
    de Luna, X.
    Testing for nonparametric identification of causal effects in the presence of a quasi-instrument2014In: Journal of Causal Inference, ISSN 2193-3685, Vol. 2, p. 187-199Article in journal (Refereed)
  • 40. Johansson, Per
    et al.
    de Luna, Xavier
    Comment on Maximum likelihood estimation in semiparametric regression models with censored data by Zeng and D.Y. Lin2007In: Journal of the  Royal  Statistical  Society , p. 554-555Article in journal (Refereed)
  • 41. Johansson, Per
    et al.
    Hallberg, Daniel
    Är en höjning av pensionsåldern ensidigt positiv?2015In: Ekonomisk Debatt, ISSN 0345-2646, no 5Article in journal (Refereed)
  • 42.
    Johansson, Per
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Statistics.
    Hallberg, Daniel
    Josephson, Malin
    Is an early retirement offer good for your health?: Quasi-experimental evidence from the army.2015In: European Journal of Health Economics, ISSN 1618-7598, E-ISSN 1618-7601, Vol. 44, p. 274-285Article in journal (Refereed)
  • 43. Johansson, Per
    et al.
    Hägglund, Pathric
    Laun, Lisa
    Onyanserad kritik av rehabiliteringsgarantin2016In: Läkartidningen, ISSN 0023-7205, E-ISSN 1652-7518, Vol. 113Article in journal (Refereed)
  • 44.
    Johansson, Per
    et al.
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Laun, Lisa
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Laun, Tobias
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics, Uppsala Center for Fiscal Studies.
    Hur har portvaktsfunktionen i förtidspensionssystemet förändrats över tid?2014In: Ekonomisk Debatt, ISSN 0345-2646, Vol. 6, p. 17-27Article in journal (Other academic)
    Abstract [sv]

    Vi är intresserade av hur portvaktsfunktionen i förtidspensionssystemet, dvs bedömningen av rättigheten att uppbära ersättning, har förändrats över tid. För att studera detta analyserar vi förändringen av den relativa hälsan mellan nybeviljade förtidspensionärer och icke-förtidspensionärer mellan åren 1986 och 2008. Som ett mått på hälsa använder vi mortalitet. Vi finner ett nära samband mellan inflödet till förtidspension och den skattade relativa mortalitetsrisken mellan nybeviljade förtidspensionärer och icke-förtidspensionärer. Vissa av förändringarna över tid sammanfaller med förändringar av de formella kvalificeringskraven för förtidspension, medan andra snarare tycks fånga informella förändringar av hälsobedömningen vid beviljandet av förtidspension.

  • 45.
    Johansson, Per
    et al.
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Laun, Lisa
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Laun, Tobias
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics, Uppsala Center for Fiscal Studies.
    Hur har portvaktsfunktionen i förtidspensionssystemetförändrats över tid?2014In: Ekonomisk Debatt, ISSN 0345-2646, Vol. 6, p. 17-27Article in journal (Other (popular science, discussion, etc.))
    Abstract [sv]

    Vi är intresserade av hur portvaktsfunktionen i förtidspensionssystemet, dvsbedömningen av rättigheten att uppbära ersättning, har förändrats över tid.För att studera detta analyserar vi förändringen av den relativa hälsan mellannybeviljade förtidspensionärer och icke-förtidspensionärer mellan åren 1986och 2008. Som ett mått på hälsa använder vi mortalitet. Vi finner ett nära sambandmellan inflödet till förtidspension och den skattade relativa mortalitetsriskenmellan nybeviljade förtidspensionärer och icke-förtidspensionärer. Vissa avförändringarna över tid sammanfaller med förändringar av de formella kvalificeringskravenför förtidspension, medan andra snarare tycks fånga informellaförändringar av hälsobedömningen vid beviljandet av förtidspension.

  • 46.
    Johansson, Per
    et al.
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Laun, Lisa
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Laun, Tobias
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics, Uppsala Center for Fiscal Studies.
    Hälsan hos nybeviljade förtidspensionärer över tid2013Report (Other academic)
    Abstract [sv]

    I den här rapporten studerar vi hur den relativa hälsan hos nybeviljade förtids-pensionärer jämfört med icke-förtidspensionärer har utvecklats i Sverige övertid. Som ett mått på hälsa används framtida mortalitet. Analysen visar hur inflödet till förtidspensionssystemet har kontrollerats, efter att hänsyn har tagits till förändringar i befolkningens underliggande hälsa. Vi finner betydande variationer i den relativa hälsan hos nybeviljade förtidspensionärer jämfört med icke-förtidspensionärer i Sverige mellan år 1986 och 2008. Detta tyder på att variationerna i inflödet till förtidspension inte i huvudsak beror på hälso-förändringar i befolkningen. Vissa av variationerna i den relativa hälsan sammanfaller med formella förändringar av kvalificeringskraven för förtids-pension. Vi finner dock också variationer i den relativa hälsan under perioder då inga formella förändringar av kvalificeringskraven har genomförts. Detta tyder på att också informella förändringar av hälsobedömningen för att blibeviljad förtidspension har fått genomslag.

  • 47.
    Johansson, Per
    et al.
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation. Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Laun, Lisa
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Laun, Tobias
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics.
    Screening Stringency in the Disability Insurance Program2014In: The B.E. Journals in Economic Analysis & Policy, ISSN 1935-1682, E-ISSN 1935-1682, Vol. 14, no 3, p. 873-891Article in journal (Refereed)
    Abstract [en]

    We propose a strategy for assessing how the inflow to the disability insurance program has been governed over time. Using ex-post mortality, we analyze the ex-ante health of individuals entering the program, compared to individuals not entering the program in the same year. Applying this strategy to Sweden, we find large variation in the relative health of new beneficiaries compared to non-beneficiaries over time. Some of the fluctuations correspond well to formal changes to screening stringency. However, we also find large variation in health during periods when no changes to formal eligibility criteria have been pursued. 

  • 48. Johansson, Per
    et al.
    Laun, Lisa
    Palme, Mårten
    Health, Work Capacity and Retirement in Sweden2015In: Social Security Programs and Retirement Around the World: The Capacity to Work at Older Ages / [ed] David Wise, National Bureau of Economic Research , 2015Chapter in book (Refereed)
  • 49. Johansson, Per
    et al.
    Laun, Lisa
    Palme, Mårten
    Pathways to Retirement and the Role of Financial Incentives in Sweden2014In: Social Security Programs and Retirement Around the World: Disability Insurance Programs and Retirement / [ed] David Wise, National Bureau of Economic Research , 2014Chapter in book (Refereed)
  • 50.
    Johansson, Per
    et al.
    Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Economics. Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Lindahl, Erica
    Uppsala University, Units outside the University, Office of Labour Market Policy Evaluation.
    Can sickness absence be affected by information meetings?: Evidence from a social experiment2013In: Empirical Economics, ISSN 0377-7332, E-ISSN 1435-8921, Vol. 44, no 3, p. 1673-1695Article in journal (Refereed)
    Abstract [en]

    During the last decade several empirical studies have stressed the importance of norms and social interactions for explaining sickness-absence behavior. In this context, public discussions about the intentions of the insurance, and of the rights and duties of the receivers, may be important for reducing the sickness absence. In this article, we study whether information meetings about the Swedish sickness insurance affect the length of sickness-absence spells. The study is based on experimental data on individuals with weak labor market attachments. The displacement of when the call to the meeting was sent out was randomized. Comparing the survival functions of those called immediately with those whose calls were delayed (by about 30 days) makes it possible to study whether the length of sickness absence is affected by receiving the call earlier. The result suggests that the length is reduced by, on average, 20%. In the long term (12 months later), there is no effect of the information meeting. This suggests that attendance to the information meeting does not change individuals' long-term behavior.

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