Nico Keilman

Professor
Image of Nico  Keilman
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Phone +47 22855128
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Room 1021
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Visiting address Eilert Sundt building Moltke Moes vei 31 NO-0851 Oslo Norway
Postal address Department of Economics University of Oslo P.O. Box 1095 Blindern NO-0317 Oslo Norway

Academic Interests

Population forecasting, modelling marriage and household dynamics, mathematical demography.

Courses taught

 

Background

  • M.Sc. in Applied Mathematics, Delft University of Technology, the Netherlands, 1977
  • Ph.D. in demography, University of Utrecht, the Netherlands, 1990
  • Research officer, Department of Population Statistics, Statistics Netherlands (1977-1981)
  • Research associate, Netherlands Interdisciplinary Demographic Institute (1982-1990)
  • Senior research associate, Statistics Norway (1990-1998).
     

 

Positions held

  • Editor 2006-2011, Demographic Research
  • Member, editorial board European Studies of Population
  • Member, International Editorial Committee, Population, Paris
  • Member, Scientific Advisory Council Netherlands Demographic Institute, The Hague

 

Tags: Demography, Economics, Income Employment and Welfare

Publications

Papers in peer reviewed journals

 

Working papers

Books

  • N. Keilman, J. Lyngstad, H. Bojer, and I. Thomsen (eds.) Poverty and Economic Inequality in Industrialized Western Societies. Oslo: Scandinavian University Press, 1998, 334 pp.
  • J.-P. Gonnot, N. Keilman and C. Prinz, Social Security, Household and Family Dynamics in Ageing Societies. Dordrecht: Kluwer Academic Publishers, 1995, 235 pp.
  • E. van Imhoff and N. Keilman, LIPRO 2.0: An Application of a Dynamic Demographic Projection Model to Household Structure in the Netherlands. Amsterdam and Berwyn, PA: Swets and Zeitlinger Publishers, 1991, 239 pp.
  • N. Keilman, Uncertainty in National Population Forecasting: Issues, Backgrounds, Analyses, Recommendations. Amsterdam and Rockland, MA: Swets and Zeitlinger Publishers, 1990, 211 pp.
  •  N. Keilman, A. Kuijsten, and A. Vossen (eds.), Modelling Household Formation and Dissolution. Oxford: Clarendon Press, 1988, 298 pp.

 

Miscellaneous

  • On age structures and mortality. Pp. 23-46 in S. Tuljapurkar, N. Ogawa, and A. Gauthier (eds.) Ageing in Advanced Industrial States: Riding the Age Waves Vol. 3. Dordrecht etc.: Springer 2010.
  • Changing views of future demographic trends. Pp. 11-33 in J. Alho, S. Hougaard Jensen, and J. Lassila (eds.) Uncertain Demographics and Fiscal Sustainability. Cambridge: Cambridge University Press 2008 (first author, with H. Cruijsen and J. Alho).
  • Empirically based specification of forecast uncertainty. Pp. 34-54 in J. Alho, S. Hougaard Jensen, and J. Lassila (eds.) Uncertain Demographics and Fiscal Sustainability. Cambridge: Cambridge University Press 2008 (third author, with J. Alho and H. Cruijsen).
  • Demographic translation: From period to cohort perspective and back. Pp. 215-225 in G. Wunsch, G. Caselli and J. Vallin (eds.) Demography: Analysis and Synthesis. Elsevier 2006.
  • Erroneous Population Forecasts. Pp. 7-26 in N. Keilman (ed.) Perspectives on mortality forecasting: Vol II Probabilistic models. Stockholm: Swedish National Social Insurance Board 2005 (Social Insurance Studies 2). An updated and slightly extended version was published under the same title in P. Festy and J.-P. Sardon (eds.) Profession démographe - Hommage à Gérard Calot. Paris: INED 2009.
  • Types of Models for Projecting Mortality. Pp. 19-28 in T. Bengtsson and N. Keilman (eds.) Perspectives on mortality forecasting: Vol I Current practice. Stockholm: Swedish National Social Insurance Board 2003 (Social Insurance Studies 1).
  • Empirical errors and predicted errors in fertility, mortality and migration forecasts in the European Economic Area. Discussion Paper 386 August 2004, Statistics Norway (with Dinh Quang Pham) [pdf]
  • Levealderen - hvor gamle blir vi? ("Life expectancy - How old will we be?") Trygd & Pensjon nr. 3 2004 [pdf]
  • La traslazione demografica: dalla prospettiva di periodo a quella per generazione e viceversa. Pp 439-461 G. Caselli, J. Vallin, e G. Wunsch Demografia: La dinamica delle popolazioni. Roma: Carocci, 2001
  • La translation démographique: des indicateurs du moment aux indicateurs de génération et réciproquement. Pp. 359-378 dans G. Caselli, J. Vallin, et G. Wunsch Démographie: analyse et synthèse. Vol. I La dynamique des populations. Paris: Editions de l'Institut National d'Etudes Démographiques, 2001
  • Beyond Six Billion: Forecasting the World's Population. Panel on Population Projections. John Bongaarts and Rodolfo A. Bulatao, eds. Washington DC, National Academy Press, 2000. (Contributions to Chapters 2 (The Accuracy of Past Projections) and 7 (The Uncertainty of Population Forecasts)
  • Précision et incertitudes des prévisions nationales de population. Pp. 33-67 dans C. Wattelar and J. Duchêne (réd.): Le Défi de l'Incertitude: Nouvelles Approches en Perspectives et Prospective Démographique. Institut de Démographie, UCL Louvain-la-Neuve, Academia-Bruylant/L'Harmattan, 2000
  • The future of social solidarity in Europe: The demographic background. In G. Gaarder and F. Orban (eds.) Towards flexible welfare states: The future of social solidarity in Europe. Seminar report Europa Qua Vadis III. Oslo: Europa-programmet 1999
  • Female dominance. Pp. 215-228 in A. Kuijsten, H. de Gans and H. de Feijter (eds.) The joy of demography ….. and other disciplines: Essays in honour of Dirk van de Kaa. Amsterdam: Thela - Thesis Publ., 1998
  • Optmistische demografen ("Optimistic demographers") Pp. 177-200 in P. Hermkens, R. van Rijsselt en K. Sanders (red.) Maatschappelijke veranderingsprocessen: Sociologische opstellen voor Henk Becker. 1998
  • Household developments in Europe after World War II: Trends and explanations. Pp. 3-12 in O. Gulbrandsen, B. Moen and N. Keilman (eds.) «Norske husholdninger i forandring». Oslo: Norges forskningsråd, 1997
  • Household concepts and household definitions in Western Europe: Different levels but similar trends in household developments. Pp. 111-135 in E. van Imhoff, A. Kuijsten, P. Hooimeijer, and L. van Wissen (eds.) Household Demography and Household Modelling, Plenum Series on Demographic Methods and Population Analysis. New York: Plenum Press, 1995


 

  • Linder, Dennis; Frigessi, Arnoldo; Piaserico, Stefano & Keilman, Nico (2017). Simulating the life course of psoriasis patients: the interplay between therapy intervention and marital status. Journal of the European Academy of Dermatology and Venereology.  ISSN 0926-9959. . doi: 10.1111/jdv.14567 Show summary
  • Keilman, Nico (2016). A combined Brass-random walk approach to probabilistic household forecasting: Denmark, Finland, and the Netherlands, 2011–2041. Journal of Population Research.  ISSN 1443-2447. . doi: 10.1007/s12546-016-9175-y Show summary
  • Keilman, Nico (2016). Household forecasting: Preservation of age patterns. International Journal of Forecasting.  ISSN 0169-2070.  32(3), s 726- 735 . doi: http://dx.doi.org/10.1016/j.ijforecast.2015.10.007 Show summary
  • Keilman, Nico; Tymicki, Krzysztof & Skirbekk, Vegard (2014). Measures for human reproduction should be linked to both men and women. International Journal of Population Research.  ISSN 2090-4029. . doi: dx.doi.org/10.1155/2014/908385 Full text in Research Archive. Show summary
  • Christiansen, Solveig Tobie Glestad & Keilman, Nico (2013). Probabilistic household forecasts based on register data - the case of Denmark and Finland. Demographic Research.  ISSN 1435-9871.  28, s 1263- 1302 . doi: 10.4054/DemRes.2013.28.43 Show summary
  • Keilman, Nico & Keller, Lisa Dahl (2013). Hvor robust er det nye pensjonssystemet med hensyn til levealdersutviklingen?. Samfunnsøkonomen.  ISSN 1890-5250.  (6), s 28- 38
  • Wisniowski, Arkadiusz; Bijak, Jakub; Christiansen, Solveig Tobie Glestad; Forster, Jonathan; Keilman, Nico; Raymer, James & Smith, Peter (2013). Utilising Expert Opinion to Improve the Measurement of International Migration in Europe. Journal of Official Statistics.  ISSN 0282-423X.  29(4), s 583- 607 . doi: 10.2478/jos-2013-0041
  • Cohen, Joel; Kravdal, Øystein & Keilman, Nico (2011). Childbearing impeded education more than education impeded childbearing among Norwegian women. Proceedings of the National Academy of Sciences of the United States of America.  ISSN 0027-8424.  108(29), s 11830- 11835 . doi: 10.1073/pnas.1107993108
  • Alho, Juha & Keilman, Nico (2010). On future household structure. Journal of the Royal Statistical Society: Series A (Statistics in Society).  ISSN 0964-1998.  173, s 117- 143 Show summary
  • Keilman, Nico (2010). On age structures and mortality, In Shripad Tuljapurkar; Naohiro Ogawa & Anne Gauthier (ed.),  Ageing in Advanced Industrial States.  Springer.  ISBN 978-90-481-3552-3.  kap 2.  s 23 - 46
  • Keilman, Nico & Christiansen, Solveig Tobie Glestad (2010). Norwegian Elderly Less Likely to Live Alone in the Future. European Journal of Population.  ISSN 0168-6577.  26(1), s 47- 72 . doi: 10.1007/s10680-009-9195-9 Show summary
  • Alho, Juha; Cruijsen, Harri & Keilman, Nico (2008). Empirically based specification of forecast uncertainty, In Juha Alho; Svend Hougaard Jensen & Jukka Lassila (ed.),  Uncertain demographics and fiscal sustainability.  Cambridge University Press.  ISBN 978-0-521-87740-4.  kap. 3.  s 34 - 54
  • Keilman, Nico (2008). Erroneous population forecasts, I: Patrick Festy & Jean-Paul Sardon (red.),  Hommage à Gérard Calot - Profession: démographe.  Institut national d'études démographiques.  ISBN 978-2-7332-4023-6.  -.  s 237 - 254
  • Keilman, Nico (2008). European demographic forecasts have not become more accurate over the past 25 years. Population and Development Review.  ISSN 0098-7921.  34(1), s 137- 153 Show summary
  • Keilman, Nico; Cruijsen, Harri & Alho, Juha (2008). Changing views of future demographic trends, In Juha Alho; Svend Hougaard Jensen & Jukka Lassila (ed.),  Uncertain demographics and fiscal sustainability.  Cambridge University Press.  ISBN 978-0-521-87740-4.  kap. 2.  s 11 - 33
  • Alders, Maarten; Keilman, Nico & Cruijsen, Harri (2007). Assumptions for long-term stochastic population forecasts in 18 European countries. European Journal of Population.  ISSN 0168-6577.  23, s 33- 69 . doi: 10.1007/s10680-006-9104-4 Show summary
  • Keilman, Nico (2007). UK national population projections in perspective: How successful compared to those in other European countries?. Population Trends.  ISSN 0307-4463.  (129), s 20- 30 Show summary
  • Alho, Juha; Alders, Maarten; Cruijsen, Harri; Keilman, Nico; Nikander, Timo & Pham, Dinh Quang (2006). New forecast: Population decline postponed in Europe. Statistical Journal of the United Nations Economic Commision for Europe ECE12.  ISSN 0167-8000.  23(1), s 1- 10 Show summary
  • Keilman, Nico (2006). Demographic Translation: From Period to Cohort Perspective and Back, In Guillaume Wunsch; Graziella Caselli & Jacques Vallin (ed.),  Demography: Analysis and Synthesis, A Treatise in Population Studies Volume 1.  Elsevier.  ISBN 978-0-12-765660-1.  Chapter 17.  s 213 - 223
  • Keilman, Nico (2006). Households and families, In Guillaume Wunsch; Graziella Caselli & Jacques Vallin (ed.),  Demography: Analysis and Synthesis.  Academic Press.  ISBN 0-12-765664-2.  Ch. 91 in Vol. 3.  s 457 - 476 Show summary
  • Alho, Juha; Alders, Maarten; Cruijsen, Harri; Keilman, Nico; Nikander, Timo & Pham, Dinh Quang (2005). Befolkningsnedgang i EØS-området utsatt. SSB-Magasinet. Show summary
  • Keilman, Nico (2005). Erroneous population forecasts, In Nico Keilman (ed.),  Perspectives on Mortality Forecasting No. 2: Probabilistic Models.  Swedish Social Insurance Agency.  ISBN 91-7500-326-0.  kap. 1.  s 7 - 26 Show summary
  • Keilman, Nico (2005). The Impact of Demographic Uncertainty on Liabilities for Public Old Age Pensions in Norway. New Zealand Population Review.  ISSN 0111-199X.  31(1), s 35- 50 Show summary
  • Keilman, Nico & Pham, Dinh Quang (2005). Hvor lenge kommer vi til å leve? Levealder og aldersmønster for dødeligheten i Norge, 1900–2060. Økonomiske analyser.  ISSN 0800-4110.  (6), s 43- 49 Show summary
  • Keilman, Nico Willem (2004). Démographie des ménages et de la famille: Application aux pays développés, I: Graziella Caselli; Jacques Vallin & Guillaume Wunsch (red.),  Démographie: Analyse et synthèse. Volume VI: Population et société.  Institut National d'Etudes Démographiques.  ISBN 27332-2016-0.  Chapitre 91.  s 345 - 388
  • Keilman, Nico Willem & Quang Pham, Dinh (2004). Time series based errors and empirical errors in fertility forecasts in the Nordic countries. International Statistical Review.  ISSN 0306-7734.  72, s 5- 18 Show summary
  • Keilman, Nico Willem (2003). Biodiversity: The threat of small households. Nature.  ISSN 0028-0836.  421, s 489- 490 Show summary
  • Keilman, Nico Willem (2003). Pensjonskommisjonen bør ta usikkerhet i befolkningsutviklingen alvorlig. Økonomiske analyser.  ISSN 0800-4110.  (2), s 16- 24 Show summary
  • Keilman, Nico Willem (2003). Types of Models for Projecting Mortality, In Tommy Bengtsson & Nico Willem Keilman (ed.),  Perspectives on Mortality Forecasting.  Social Insurance Board.  ISBN 91-89303-24-5.  kapittel.  s 19 - 27 Show summary
  • Keilman, Nico Willem (2003). Discussion: Should fertility intentions inform fertility forecasts?, In Gregory Spencer (ed.),  The direction of fertility in the United States.  COPAFS.  ISBN 0-9720596-0-1.  kapittel.  s 179 - 181
  • Keilman, Nico Willem; Pham, Dinh Quang & Hetland, Arve (2002). Why population forecasts should be probabilistic - illustrated by the case of Norway. Demographic Research.  ISSN 1435-9871.  6, s 407- 454 Show summary
  • Keilman, Nico Willem (2002). TFR predictions based on Brownian motion theory. Yearbook of Population Research in Finland.  ISSN 0506-3590.  XXXVIII, s 207- 219 Show summary
  • Keilman, Nico Willem (2001). Uncertain population forecasts. Nature.  ISSN 0028-0836.  412, s 490- 491 Show summary
  • Keilman, Nico Willem (2001). Data quality and accuracy of United Nations population projections, 1950-95. Population Studies.  ISSN 0032-4728.  55(2), s 149- 164 Show summary
  • Keilman, Nico Willem (2001). La translation démographique: des indicateurs du moment aux indicateurs de génération et réciproquement, I: Graziella Caselli; Jacques Vallin & Guillaume Wunsch (red.),  Démographie: analyse et synthèse. Volume I: La dynamique des populations.  Editions de l'Institut National d'Etudes Démographiques.  ISBN 2-7332-2011-X.  s 359 - 378 Show summary
  • Keilman, Nico Willem (2001). La traslazione demografica: dalla prospettiva di periodo a quella per generazione e viceversa, I: Graziella Caselli; Jacques Vallin & Guillaume Wunsch (red.),  Demografia: La dinamica della popolozioni.  Carocci, Roma.  ISBN 88-430-1883-3.  s 439 - 461 Show summary

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  • Keilman, Nico (ed.) (2005). Perspectives on Mortality Forecasting No. 2: Probabilistic Models. Swedish Social Insurance Agency.  ISBN 91-7500-326-0.  79 s. Show summary
  • Bengtsson, Tommy & Keilman, Nico Willem (ed.) (2003). Perspectives on Mortality Forecasting. Social Insurance Board.  ISBN 91-89303-24-5.  97 s. Show summary

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  • Keilman, Nico (2017). Period and cohort life expectancy, mortality compression, and age at death distribution. Show summary
  • Keilman, Nico; Pham, Dinh Quang & Syse, Astri (2017). Mortality shifts and mortality compression in Norway 1900-2100: periods and cohorts. Show summary
  • Bernhoft, Aksel; Albihn, Ann; Hessen, Dag Olav; Holmboe-Ottesen, Gerd; Keilman, Nico; Børresen, Trond; Haug, Ruth; Nicolaysen, Anna Marie & Andersen, Regine (2016). Hvordan skal vi sikre et landbruk som kan fø oss i framtiden?. Show summary
  • Keilman, Nico (2016). A two-sex model for first marriage.
  • Keilman, Nico (2016). Barnefamilier, fruktbarhetsnivå og samfunnsplanlegging.
  • Keilman, Nico (2016). Befolkning: Statistisk sentralbyrå bør endre praksis og publisere sannsynlighetsprognoser. Samfunnsøkonomen.  ISSN 1890-5250.  (3), s 59- 66 Show summary
  • Keilman, Nico (2016). Fødsler og fruktbarhet i Norge. Show summary
  • Keilman, Nico (2016). Probabilistic demographic forecasts.
  • Keilman, Nico (2016). Probabilistic household forecasts for Denmark, Finland, and the Netherlands 2011-2041: Combining the Brass relational method with a Random Walk model. Show summary
  • Keilman, Nico (2016). Tar SSB høyde for den usikre demografiske utviklingen i framtiden?.
  • Bijak, Jakub; Alberts, Isabel; Alho, Juha; Bryant, John; Buettner, Thomas; Falkingham, Jane; Forster, Jonathan; Gerland, Patrick; King, Thomas; Onorante, Luca; Keilman, Nico; O'Hagan, Anthony; Owens, Darragh; Raftery, Adrian E.; Ševcikova, Hana & Smith, Peter (2015). Letter to the Editor: Probabilistic Population Forecasts for Informed Decision Making. Journal of Official Statistics.  ISSN 0282-423X.  31(4), s 537- 544 . doi: , http://dx.doi.org/10.1515/JOS-2015-0033 Show summary
  • Keilman, Nico (2015). Dimension reduction by Brass' Relational Model: Household Dynamics in Five European Countries. Show summary
  • Keilman, Nico (2015). Jordens befolkning, "antall munner å mette".
  • Keilman, Nico (2015). Probabilistic household forecasts for five countries in Europe. Full text in Research Archive. Show summary
  • Keilman, Nico (2015). Stochastic household forecasts for Denmark, Finland, Germany, Netherlands, Norway.
  • Keilman, Nico (2015). Stochastic household forecasts for five countries in Europe.
  • Keilman, Nico (2014). Dimension reduction of household parameter time series by the Brass logit model.
  • Keilman, Nico (2014). Norway’s new public pension system: Is it robust against unexpected life expectancy developments?. Show summary
  • Keilman, Nico (2014). Probabilistic population and household forecasts.
  • Keilman, Nico (2013). Pensjonsreformen kan bli mye dyrere enn mange tror. Show summary
  • Keilman, Nico (2013). Probabilistic demographic projections.
  • Keilman, Nico (2013). Uncertainty in population projections - with special reference to the UK.
  • Keilman, Nico (2013). "What is happening in modern demography: life course analysis, policy evaluation, dimension reduction, prediction intervals in demographic forecasting".
  • Christiansen, Solveig Tobie Glestad & Keilman, Nico (2012). Probabilistic household forecasts based on register data: the case of Denmark and Finland.
  • Keilman, Nico (2012). Challenges for statistics on households and families.
  • Keilman, Nico (2012). College huishoudensprognoses.
  • Keilman, Nico (2012). Integrated modelling of European migration flows: Methodology and main results.
  • Keilman, Nico (2012). Missing girls in China will lead to fewer future births than previously thought.
  • Keilman, Nico (2012). Missing girls in China will lead to fewer future births than previously thought.
  • Keilman, Nico (2012). Onzekerheid in demografische prognoses.
  • Keilman, Nico & Van Duin, Coen (2012). Stochastic household forecasts by coherent random shares predictions.
  • Wisniowski, Arkadiusz; Keilman, Nico; Bijak, Jakub; Christiansen, Solveig; Forster, Jonathan; Smith, Peter & Raymer, James (2011). Augmenting migration statistics with expert knowledge.
  • Graziani, Rebecca & Keilman, Nico (2010). The sensitivity of the Scaled Model of Error with respect to the choice of the correlation parameters: A Simulation Study. Memorandum from Department of Economics, University of Oslo. 22. Show summary
  • Keilman, Nico (2010). On future households. Show summary
  • Keilman, Nico (2009). Failure and success: In-sample and out-of-sample demographic forecasts. Show summary
  • Keilman, Nico (2008). Concern in the European Union about Low Birth Rates. European View.  ISSN 1781-6858.  7, s 333- 340 . doi: 10.1007/s12290-008-0055-5 Show summary
  • Keilman, Nico (2008). Emerging family and household types in Europe: Issues, definitions and classifications. Show summary
  • Keilman, Nico (2008). Scenarios of demographic change: the role of probabilistic approaches in population projection. Show summary
  • Keilman, Nico (2008). Uncertain population forecasts.
  • Keilman, Nico (2008). Using deterministic and probabilistic population forecasts. Interdisciplinary Communications.  ISSN 0809-8735.
  • Keilman, Nico & Veløy, Chris (2008, 17. september). AFP en ulykke for landet. [Internett].  http://nrk.no/programmer/tv/schrodingers_katt/1.6224469.
  • Keilman, Nico & Veløy, Chris (2008, 17. september). Europa kan halveres på to generasjoner. [Internett].  http://nrk.no/programmer/tv/schrodingers_katt/1.6224278.
  • Alho, Juha; Cruijsen, Harri & Keilman, Nico (2006). Empirically-based specification of forecast uncertainty.
  • Keilman, Nico (2006). European demographic forecasts have not become more accurate during the past 25 years. Show summary
  • Keilman, Nico (2006). Livslängd och invandring spräckte prognoserna. Välfärd.  ISSN 1651-6710.  (3), s 6- 7 Show summary
  • Keilman, Nico; Cruijsen, Harri & Alho, Juha (2006). Diverging views of future demographic trends.
  • Alders, Maarten; Keilman, Nico & Cruijsen, Harri (2005). Assumptions for national stochastic population forecasts in 18 European countries. Show summary
  • Alho, Juha; Alders, Maarten; Cruijsen, Harri; Keilman, Nico; Nikander, Timo & Pham, Dinh Quang (2005). Population decline postponed in Europe. Statistical Magazine. Show summary
  • Keilman, Nico (2004). Long term public old age pension obligations in a stochastic demographic setting in Norway.
  • Keilman, Nico Willem (2004). Conséquences démographiques et sociales d'une faible fécondité pour les structures familiales en Europe.
  • Keilman, Nico Willem & Pham, Dinh Q. (2004). Empirical errors and predicted errors in fertility, mortality and migration forecasts in the European Economic Area. Show summary
  • Keilman, Nico & Kinsella, Kevin (2004). Families and households in the 2000 round of censuses in ECE member countries.
  • Keilman, Nico & Vogt, Yngve (2004). Utrygg pensjonsreform: Samfunnet kan tape skyhøye beløp. Aftenposten (morgenutg. : trykt utg.).  ISSN 0804-3116. Show summary
  • Keilman, Nico Willem (2003). Demographic and social implications of low fertility for family structures in Europe. Show summary
  • Keilman, Nico Willem (2003). Demographic implications of low fertility for family structures in Europe. Show summary
  • Keilman, Nico Willem (2003). Do Cause of Death analyses improve the accuracy of mortality forecasts?.
  • Keilman, Nico Willem (2003). Model based errors and empirical errors in fertility and mortality forecasts for the Nordic countries.
  • Keilman, Nico Willem (2002). Book review of S. K. Smith, J. Tayman, and D. Swanson ¿ State and Local Population Projections: Methodology and Analysis¿. Population Studies.  ISSN 0032-4728.  56(3), s 340- 341
  • Keilman, Nico Willem (2002). DEMOGRAPHIC AND SOCIAL IMPLICATIONS OF LOW FERTILITY FOR FAMILY STRUCTURES IN EUROPE. Show summary
  • Keilman, Nico Willem & Pham, Dinh Quang (2002). Time series based errors and empirical errors in fertility forecasts in the Nordic countries. Show summary
  • Keilman, Nico Willem (2001). Age structural transitions in historical perspective: What can we learn from the past?. Show summary
  • Keilman, Nico Willem (2001). Children and time: The Norwegian model. NIDI Hofstee Lectures Series. 6. Show summary

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Published Sep. 23, 2010 10:40 AM - Last modified Aug. 5, 2015 1:34 PM

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