Publications

Working papers, journal articles, book chapters and reports, most recent first. Titles usually link to the DOI.

Working Papers

• Crime Victims' Children
  RFBerlin Discussion Paper 210/26, 2026 (with Lorenzo Cappellari, Marco Ovidi and Matteo Sandi) · PDF
• Health Inequalities among Danish Retirees 2004–2022
  NBER Working Paper 35165, 2026 (with Nabanita Datta Gupta, Malene Kallestrup-Lamb and Alexander O.K. Marin) · PDF
• Taxing the Unresponsive: The Micro-Macro Puzzle and the Elasticity of Taxable Income
  Umeå Economic Studies 1046, 2026 (with Gauthier Lanot) · PDF
• Assortative Mating and Education Gradients within and across Generations
  CESifo Working Paper 12763, 2026 (with Lorenzo Cappellari and Konstantinos Tatsiramos) · PDF
• Helping the Many by Tutoring the Few: The Social Multiplier of Early Literacy Instruction
  EdArXiv preprint, 2026 (with Jens Dietrichson, Mette Friis-Hansen and Vibeke Myrup Jensen) · PDF
• The Post-Displacement Careers of Seniors
  VIVE Working Paper, 2025 (with Lorenzo Cappellari and Marco Ovidi) · PDF
• Socioeconomic Inequality in Longevity: A Multidimensional Approach
  CEBI Working Paper 14/25, University of Copenhagen, 2025 (with Claus Thustrup Kreiner and Benjamin Ly Serena) · PDF
• On the Origins of Socioeconomic Inequalities: Evidence from Twin Families
  LISER Working Paper 2024-03, 2024 (with Lorenzo Cappellari and Konstantinos Tatsiramos) · PDF

Journal Articles

• When It Hurts the Most: Timing of Parental Job Loss and a Child's Education
  Journal of the European Economic Association, advance article, 2026 (with Lorenzo Cappellari and Marco Ovidi) · PDF
• Earnings Dynamics, Inequality, and Firm Heterogeneity
  Journal of Applied Econometrics, 41(2), 169–194, 2026 (with Lorenzo Cappellari) · PDF
• Tutoring Young Children at Risk of Developing Reading Difficulties: Effects of an Early Tutoring Intervention on Literacy Skills and Executive Functions
  Journal of Education for Students Placed at Risk (JESPAR), 30(4), 365–395, 2025 (with Julie K. Seerup, Jens Dietrichson and Vibeke Myrup Jensen) · PDF
• Recruiting Effective Soldiers: Comparing Danish Conscripts and Volunteers Deployed to Peace-Keeping and Peace-Enforcing Missions
  Labour Economics, 89, 102587, 2024 (with Stéphanie Vincent Lyk-Jensen) · PDF
• Social Security and Retirement around the World: Lessons from a Long-Term Collaboration
  Journal of Pension Economics and Finance, 1–23, 2024 (with Courtney Coile, Axel Börsch-Supan, David A. Wise et al.) · PDF
• Parental Assortative Mating and the Intergenerational Transmission of Human Capital
  Labour Economics, 77, 102047, 2022 (with Lorenzo Cappellari and Konstantinos Tatsiramos) · PDF
• Military Service and Skill Acquisition: Evidence from a Draft Lottery
  Journal of Human Capital, 16(3), 403–429, 2022 (with Stéphanie Vincent Lyk-Jensen and Anders Rosdahl) · PDF
• Brothers in Arms: Spillovers from a Draft Lottery
  Journal of Human Resources, 56(1), 225–268, 2021 (with Petter Lundborg and Stéphanie Vincent Lyk-Jensen) · PDF
• Family, Community and Long-Term Socio-Economic Inequality: Evidence from Siblings and Youth Peers
  The Economic Journal, 131(636), 1515–1554, 2021 (with Lorenzo Cappellari and Konstantinos Tatsiramos) · PDF
• The Opportunity Costs of Mandatory Military Service: Evidence from a Draft Lottery
  Journal of Labor Economics, 38(1), 39–66, 2020 (with Petter Lundborg and Stéphanie Vincent Lyk-Jensen) · PDF
• Correlation of Brothers' Earnings and Intergenerational Transmission
  The Review of Economics and Statistics, 101(2), 370–383, 2019 (with Lorenzo Cappellari) · PDF
• Measurement Error in Income and Schooling and the Bias of Linear Estimators
  Journal of Labor Economics, 35(4), 1117–1148, 2017 (with Alessandro Martinello) · PDF
• Pensionsalder, Arbejdsevne og Helbred
  Samfundsøkonomen, 9–15, 2016 (with Peder J. Pedersen) · PDF
• The Danish Twin Registry: Linking Surveys, National Registers, and Biological Information
  Twin Research and Human Genetics, 16(1), 104–111, 2013 (with Axel Skytthe, Lene Christiansen, Kirsten Ohm Kyvik et al.) · PDF
• Unemployment Insurance, Wage Dynamics and Inequality over the Life Cycle
  The Economic Journal, 123(568), 341–372, 2013 (with Lorenzo Cappellari and Niels Westergård-Nielsen) · PDF
• Mental Retirement and Schooling
  European Economic Review, 63, 292–298, 2013 (with Alessandro Martinello) · PDF
• The Labour Supply Effects of a Partial Cash-Out of In-Kind Transfers to Single Mothers
  IZA Journal of Labor Economics, 2(1), 1, 2013 (with Ian Walker) · PDF
• There’s No Such Thing as a Free Lunch: Evidence of Altruism and Agency from Household Expenditure Responses to Child Nutrition Programs
  Review of Economics of the Household, 11(3), 371–392, 2013 (with Ian Walker) · PDF
• Lower Marriage and Divorce Rates among Twins than among Singletons in Danish Birth Cohorts 1940–1964
  Twin Research and Human Genetics, 14(2), 150–157, 2011 (with Inge Petersen, Torben Martinussen, Matthew McGue et al.) · PDF
• Does More Schooling Reduce Hospitalization and Delay Mortality? New Evidence Based on Danish Twins
  Demography, 48(4), 1347–1375, 2011 (with Jere R. Behrman, Hans-Peter Kohler, Vibeke Myrup Jensen et al.) · PDF
• The Use of Antidepressants and Introduction of New Types in Different Socio-Economic Groups: A Danish Registry-Based Cross-Sectional Study
  Nordic Journal of Psychiatry, 64(4), 268–272, 2010 (with Kent Roer, Kirsten Fonager and Jens T. Mortensen) · PDF
• The Male–Female Health–Survival Paradox: A Survey and Register Study of the Impact of Sex-Specific Selection and Information Bias
  Annals of Epidemiology, 19(7), 504–511, 2009 (with Anna Oksuzyan, Inge Petersen, Henrik Stovring et al.) · PDF
• No Evidence of Genetic Mediation in the Association between Birthweight and Academic Performance in 2,413 Danish Adolescent Twin Pairs
  Twin Research and Human Genetics, 12(6), 564–572, 2009 (with Inge Petersen, Vibeke Myrup Jensen, Matt McGue et al.) · PDF
• Education and Cognitive Ability as Direct, Mediating, or Spurious Influences on Female Age at First Birth: Behavior Genetic Models Fit to Danish Twin Data
  American Journal of Sociology, 114(S1), S202–S232, 2008 (with Joseph Lee Rodgers, Hans-Peter Kohler, Matt McGue et al.) · PDF
• Public Pension Programmes and the Retirement of Married Couples in Denmark
  Journal of Public Economics, 91(10), 1878–1901, 2007 (with Gauthier Lanot) · PDF
• Folkeskolens Afgangsprøve: Ingen Forskel mellem Tvillinger og Enkeltfødte – Sekundærpublikation
  Ugeskrift for Læger, 169(38), 3202–3205, 2007 (with Kaare Christensen, Inge Petersen, Axel Skytthe et al.) · PDF
• Comparison of Academic Performance of Twins and Singletons in Adolescence: Follow-Up Study
  BMJ, 333(7578), 1095, 2006 (with Kaare Christensen, Inge Petersen, Axel Skytthe et al.) · PDF
• Education, Work and Wages in the UK
  German Economic Review, 6(3), 395–414, 2005 (with Ian Walker and Yu Zhu) · PDF
• Employer Pay Policies, Public Transfers and the Retirement Decisions of Men and Women in Denmark
  European Economic Review, 48(1), 181–200, 2004 (with Gauthier Lanot) · PDF
• Personnel Policy and Profit
  Journal of Business Research, 57(5), 557–563, 2004 (with Niels Westergaard-Nielsen) · PDF
• Returns to Tenure, Firm-Specific Human Capital and Worker Heterogeneity
  International Journal of Manpower, 24(7), 774–788, 2003 (with Niels Westergaard-Nielsen) · PDF
• The Incidence of Income Tax on Wages and Labour Supply
  Journal of Public Economics, 83(2), 173–194, 2002 (with Gauthier Lanot) · PDF
• The Return to Firm-Specific Human Capital
  New Zealand Economic Papers, 36(1), 87–88, 2002 (with Niels Westergaard-Nielsen) · PDF
• Household Unemployment and the Labour Supply of Married Women
  Economica, 68(270), 157–185, 2001 (with Ian Walker) · PDF
• Housing Subsidies and Work Incentives in Great Britain
  The Economic Journal, 111(471), C86–C103, 2001 (with Ian Walker) · PDF
• The Labour Supply, Unemployment and Participation of Lone Mothers in In-Work Transfer Programmes
  The Economic Journal, 107(444), 1375–1390, 1997 (with Ian Walker) · PDF
• Child Support Reform and the Labor Supply of Lone Mothers in the United Kingdom
  Journal of Human Resources, 30(2), 256–279, 1995 (with Gauthier Lanot, Elizabeth Symons and Ian Walker) · PDF
• Child Support, Income Support and Lone Mothers
  Fiscal Studies, 15(1), 81–98, 1994 (with Elizabeth Symons and Ian Walker) · PDF

Book Chapters

• Socioeconomic Status and the Effects of Pension Reforms on Lifetime Benefits in Denmark
  In: Social Security Programs and Retirement around the World: The Effects of Pension Reforms on the Income Distribution of Retirees, University of Chicago Press, accepted for publication (with Nabanita Datta Gupta, Malene Kallestrup-Lamb and Alexander O.K. Marin) · PDF
• Labor Force Exit in Denmark, 1980–2016: Impact from Changes in Incentives
  In: Social Security Programs and Retirement around the World: Reforms and Retirement Incentives, University of Chicago Press, 2021 (with Nabanita Datta Gupta, Malene Kallestrup-Lamb and Peder J. Pedersen) · PDF
• From Early Retirement to Staying in the Job: Trend Reversal in the Danish Labor Market
  In: Social Security Programs and Retirement around the World: Working Longer, University of Chicago Press, 2019 (with Nabanita Datta Gupta and Peder J. Pedersen) · PDF
• Health Capacity to Work at Older Ages in Denmark
  In: Social Security Programs and Retirement around the World: The Capacity to Work at Older Ages, University of Chicago Press, 2017 (with Nabanita Datta Gupta and Peder J. Pedersen) · PDF
• Health, Disability Insurance, and Retirement in Denmark
  In: Social Security Programs and Retirement Around the World: Disability Insurance Programs and Retirement, University of Chicago Press, 2016 (with Nabanita Datta Gupta, Michael Jørgensen and Peder J. Pedersen) · PDF
• Mobilità Intergenerazionale e Correlazione dei Redditi tra Fratelli
  In: Economia della popolazione: Disuguaglianza, famiglia e migrazioni, Vita e Pensiero, 2014 (with Lorenzo Cappellari) · PDF
• Intergenerational Transmission and Day Care
  In: From Parents to Children: The Intergenerational Transmission of Advantage, Russell Sage Foundation, 2012 (with Niels Westergård-Nielsen) · PDF
• Disability Programs, Health, and Retirement in Denmark since 1960
  In: Social Security Programs and Retirement around the World: Historical Trends in Mortality and Health, Employment, and Disability Insurance Participation and Reforms, University of Chicago Press, 2012 (with Nabanita Datta Gupta and Peder J. Pedersen) · PDF
• Equality of Opportunity and Intergenerational Transmission of Employers
  In: From Parents to Children: The Intergenerational Transmission of Advantage, Russell Sage Foundation, 2012 (with Miles Corak and Niels Westergaard-Nielsen) · PDF
• Social Security, Retirement and Employment of the Young in Denmark
  In: Social Security Programs and Retirement around the World: The Relationship to Youth Employment, University of Chicago Press, 2010 (with Nabanita Datta Gupta and Peder J. Pedersen) · PDF
• Fiscal Implications of Reforms in Retirement Systems in Denmark
  In: Social Security Programs and Retirement around the World: Fiscal Implications of Reform, University of Chicago Press, 2007 (with Nabanita Datta Gupta and Peder J. Pedersen) · PDF
• Job Changes and Wage Growth over the Careers of Private Sector Workers in Denmark
  In: Structural Models of Wage and Employment Dynamics, Elsevier B.V., 2006 (with Niels Westergård-Nielsen) · PDF
• The Impact of Incentives on Retirement in Denmark
  In: Social Security Programs and Retirement around the World: Micro-Estimation, University of Chicago Press, 2004 (with Nabanita Datta Gupta and Peder J. Pedersen) · PDF
• Employer Pay Policies and Male Retirement Decisions
  In: Panel Data and Structural Labour Market Models, North-Holland (Elsevier), 2000 (with Gauthier Lanot) · PDF
• Three Elements of Personnel Policy: Worker Flows, Retention and Pay
  In: Panel Data and Structural Labour Market Models, North-Holland (Elsevier), 2000 (with Niels Westergård-Nielsen) · PDF
• Employer Wage Differentials in the United States and Denmark
  In: The Creation and Analysis of Employer-Employee Matched Data, Elsevier Science B.V., 1999 (with Stephen G. Bronars, Melissa Famulari and Niels Westergård-Nielsen) · PDF
• Wage Mobility for Low-Wage Earners in Denmark and Finland
  In: Low Pay and Earnings Mobility in Europe, Edward Elgar, 1998 (with Rita Asplund and Niels Westergård-Nielsen) · PDF

Reports

• Gennemførelse af en Erhvervsuddannelse: To Effektmålinger
  VIVE Rapport, 2023 (with Maria Knoth Humlum, Nicolai Kristensen and Rune Vejlin) · PDF
• Økonomiske Konsekvenser af MOVE: Opfølgning
  VIVE Rapport, 2022 (with Rasmus Højbjerg Jacobsen and Mads Uffe Pedersen) · PDF
• Effekten af IT-Støtte på Elevers Læsefærdigheder: Et Felteksperiment i Horsens Kommune
  SFI Rapport 14:25, 2014 (with Christiane Præstgaard Christensen, Ida Gran Andersen and Christoffer Scavenius Sonne-Schmidt) · PDF
• Opsat Pension: Øger den Arbejdsudbuddet?
  SFI Rapport 08:29, 2008 (with Anna Amilon and Torben Heien Nielsen) · PDF

Resting Working Papers

• Beyond Manucentrism: Some Fresh Facts about Job and Worker Flows
  Working paper 1999,74, 1999 (with Tor Eriksson, Axel Werwatz and Niels Westergård-Nielsen) · PDF