Per Johansson

Title

Areas of interest

• Mikroeconometrics
• Socialinsurance system

Publications and scientific papers

Articles in refereed journals

• Johansson P och P Skedinger (2009) " Misreporting in register data on disability status: Evidence from the Swedish Public Employment Service", forthcoming in Empirical Economics
• Hesselius P, P Johansson och P Nilsson (2009) " Sick of your collegues's absence?", Journal of European Economic Association, vol 7, (2-3), s 1-12
• Johansson P (2008) "The importance of employer contacts: Evidence based on selection on observables and internal replication", Labour Economics vol 15, s 350-369
• Fredriksson P &  P Johansson (2007) “Dynamic Treatment Assignment -- The Consequences for Evaluations using Observational Data”, Journal of Business and Economic and Statistics, vol 26, s 435-445
• de Luna X & P Johansson (2007) “Comment on Maximum likelihood estimation in semiparametric regression models with censored data by Zeng and D.Y. Lin", Journal of the  Royal  Statistical  Society  B, s 554-555.
• De Luna X & Johansson P (2007) “Graphical diagnostics of endogeneity", forthcoming in Advances in Econometrics, vol 21: Modeling and Evaluating Treatment Effects in Econometrics
• Hesselius P, P Johansson & L Larsson (2006) "Hur påverkar kravet på läkarintyg sjukfrånvaron? Erfarenheter från ett socialt experiment", Ekonomisk Debatt, vol 2, s 5-16
• Vredin Johansson M, T Heldt & P Johansson (2005) “The Effects of Attitudes and Personality Traits on Mode Choice", Transportation Research Part A: Policy and Practice, vol 40(6), s 507-525
• De Luna X & P Johansson (2005) “Exogeneity in Structural Equation Models”, forthcoming in Journal of Econometrics
• Johansson P & M Palme (2005) “Moral hazard and sickness insurance”, forthcoming in Journal of Public Economics
• Broström G, Johansson P & M Palme (2004) “Economic incentives and gender differences in work absence behavior”, Swedish Economic Policy Review, vol 11, s 33-63
• Johansson P (2004) “Comment on Philip de Jong and Maarten Lindeboom: Privatisation of sickness insurance: Evidence from the Netherlands”, Swedish Economic Policy Review vol 11, s 145-149
• Johansson P & Nilsson J-E (2004) “An Economic Analysis of Track Maintenance Costs”, Transport Policy vol 11, s 277-286
• Johansson P & M Palme (2002) “Assessing the effects of a compulsory sickness insurance on worker absenteeism”, Journal of Human Resources, vol 37, nr 2
• Bergman M & P Johansson (2002) “Strategic investments in the pulp and paper industry: a count data regression analysis”, Journal of Forest Economics, vol 8, nr 1
• Johansson P & S Martinson (2001) ”Varför lyckades det nationella IT-programmet, Swit? - en jämförelse mellan två arbetssätt”, Ekonomisk Debatt, vol 29, nr 4, s 293-302
• Bergkvist E & P Johansson (2000) “Weighted derivative estimation of quantal response model: simulations and applications to choice of truck freight carrier”, Computational Statistics, vol 15, nr 4, s 485-511
• Johansson P & K Brännäs (1998) “A houshold model for work absence” Applied Economics, vol 30, s 1493-1503
• Cameron C & P Johansson (1997) “Count data regression using series expansions with applications”, Journal of Applied Econometrics, vol 12, s 203-223
• Johansson P & R Mortazavi (1996) “The value of travel time: an empirical study using repeated samples of non-business trips”, Tourism Economics, vol 2, s 353-368
• Johansson P & M Palme (1996) “Do economic incentives affect work absence? Empirical evidence using Swedish micro data”, Journal of Public Economics, vol 59, s 195-218
• Brännäs K & P Johansson (1996) “Panel data regression for counts”, Statistical Papers, vol 37, s 191-213
• Johansson P (1995) “Speed limitation and motorway road casualties: a time series count data regression approach”, Accident Analysis and Preventation, vol 28, s 73-87
• Johansson P (1995) “Tests for serial correlation and overdispersion in a count data regression model”, Journal of Statistical Computation and Simulation, vol 53, s 153-164
• Brännäs K & P Johansson (1994) “Time series count data regression”, Communications in Statistics, vol 23, s 2907-2925

Other selected publications

• Forslund A, Johansson P & L Lindqvist (2005) ”Kan anställningsstöd minska arbetslösheten?”, Ekonomisk Debatt, vol 4, s 6-16
• Johansson P & M Palme (2003) “Påverkar ekonomiska incitament sjukskrivningsbeteendet och deltagande i arbetskraften?”, I Sweedenborg B (ed) Varför är svenskarna så sjuka? SNS förlag, Stockholm
• Johansson P & M Palme (1998) “Sjukförsäkringen ur ett genusperspektiv”, I I Person och E Wadensjö (eds) Välfärdens Genusansikte SOU 1998:3
• Johansson P & K Brännäs (1995) “Work Absence Within the Houshold”, I Forbes, C S Kofman P och Fry T R L (eds) Proceedings of the 1995 econometric conference at monash,  Monash University
• Brännäs K & P Johansson (1992) “Estimation and testing in a model for serially correlated count data”, I von Collani, E och Göb, R (eds) Proceedings of the Second Würzburg-Umeå Conference in Statistics, University of Würzburg

IFAU-reports and working papers

• Andersson C and P Johansson "Social stratification and out-of-school learning" , Working paper 2009:17, IFAU
• Engström P. P Hesselius och B Holmlund "Vacancy referrals, job search and the duration of unemployment: a randomized experiment", Working Paper 2009:3, IFAU
• Hesselius P, P Johansson och P Nilsson "Sick of your colleagues' absence?, Working Paper 2009:2, IFAU
• de Luna X & P Johansson "Matching estimators for the effect of a treatment on survival times", Working paper 2007:1, IFAU
• Åslund O & P Johansson "Virtues of Sin - effects of an immigrant workplace introduction program", Working paper 2006:7, IFAU
• Johansson P "Using internal replication to establish a treatment effect", Working paper 2006:3, IFAU
• Hesselius P, P Johansson & L Larsson ”Monitoring sickness insurance claimants: evidence from a social experiment”, Working paper 2005:15, IFAU
• Johansson P & P Skedinger "Are objective, official measures of disability reliable?", Working Paper 2005:14, IFAU
• Fredriksson P & P Johansson “Employment, mobility and active labor market programs”, Working paper 2003:3, IFAU
• Fredriksson P & P Johansson “Program evaluation and on-going program starts”, Working paper 2003:1, IFAU
• Johansson P & S Martinson “The effect of increased employer contacts within a labour market training program”, Working paper 2000:10, IFAU

Referee for journals and books

American Economic Review, Econometrica, Journal of Econometrics, Journal of Health Economics, Journal of Forecasting, Journal of Labor Economics, Scandinavian Journal of Economics, Labour Economics, The Econometrics Journal, The Economic Journal, The Journal of Human Resources, Journal of Public Economics, Journal of Population Economics  Journal of Applied Econometrics, Review of International Economics

Current research projects

• Can information reduce sickness absence? (Reg No 151/09)
• How does education affect family formation and child health? (Reg No 21/09)
• Policy-evaluation Using Difference-in-Differences (Reg No 174/08)
• Disability insurance and labour force participation (Reg No 165/08)
• Does the timing of the evaluation and the assessment meeting affect the length of the sickness spell? (Reg No 77/08)
• Moral hazard between sick-pay and temporary parental benefit (Reg No 148/07)
• Social interactions within the workplace and work absence (Reg no 108/07)
• What are economic costs of traffic accidents?  (Reg No 87/2007)
• The right profile for employment – does it exist? (Reg No 30/07)
• Labour supply among the elderly in the light of early retirement (Reg No 94/06)
• Labour market effects of social insurance (Reg No 85/04)
• Child care attendance and student achievement (Reg No 63/04)
• Choosing the length and type of education (Reg No 52/01)