Nico Keilman

Professor Emeritus - Department of Economics
Image of Nico  Keilman
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Phone +47 22855128
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 2005-2015, Scientific Advisory Council Netherlands Demographic Institute, The Hague

Profile at Researchgate

Tags: Demography, Economics, Income Employment and Welfare

Publications

Citations at Google Scholar

Papers in peer reviewed journals

 

  • Divino, Fabio; Bitew, Denekew; Keilman, Nico & Frigessi, Arnoldo (2021). Spatial Modelling of Lexis Mortality Data. Spatial Statistics. ISSN 2211-6753. 44. doi: 10.1016/j.spasta.2021.100532
  • Keilman, Nico (2020). Uncertainty in population forecasts for the twenty-first century. Annual Review of Resource Economics. ISSN 1941-1340. 12, p. 449–470. doi: 10.1146/annurev-resource-110319-114841
  • Keilman, Nico & Kristoffersen, Sigve (2020). European Mortality Forecasts: Are the Targets Still Moving? In Mazzuco, Stefano & Keilman, Nico (Ed.), Developments in Demographic Forecasting. Springer Nature. ISSN 978-3-030-42471-8. p. 179–192. doi: 10.1007/978-3-030-42472-5_9 Full text in Research Archive
  • Keilman, Nico (2020). Évaluer les prévisions probabilistes de population. Economie et Statistique. ISSN 0336-1454. 520-521, p. 51–68.
  • Keilman, Nico (2020). Evaluating probabilistic population forecasts. Economie et Statistique. ISSN 0336-1454. 520-521, p. 49–64. doi: 10.24187/ecostat.2020.520d.2033 Full text in Research Archive
  • Keilman, Nico (2019). Family projection methods: A review. In Schoen, Robert (Eds.), Analytical Family Demography. Springer Nature. ISSN 978-3-319-93227-9. p. 277–301. doi: 10.1007/978-3-319-93227-9_12 Full text in Research Archive
  • Keilman, Nico (2019). Mortality shifts and mortality compression in period and cohort life tables. Demographic Research. ISSN 1435-9871. 41, p. 1147–1196. doi: 10.4054/DemRes.2019.41.40 Full text in Research Archive
  • Keilman, Nico (2019). Erroneous population forecasts. In Bengtsson, Tommy & Keilman, Nico (Ed.), Old and New Perspectives on Mortality Forecasting. Springer Nature. ISSN 978-3-030-05074-0. p. 95–111. doi: 10.1007/978-3-030-05075-7 Full text in Research Archive
  • Borgan, Ørnulf & Keilman, Nico (2019). Do Japanese and Italian Women Live Longer than Women in Scandinavia? European Journal of Population. ISSN 0168-6577. 35(1), p. 87–99. doi: 10.1007/s10680-018-9468-2 Full text in Research Archive
  • 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. 32(1), p. 62–67. doi: 10.1111/jdv.14567 Full text in Research Archive
  • 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. 34(1), p. 17–43. doi: 10.1007/s12546-016-9175-y
  • Keilman, Nico (2016). Household forecasting: Preservation of age patterns. International Journal of Forecasting. ISSN 0169-2070. 32(3), p. 726–735. doi: 10.1016/j.ijforecast.2015.10.007
  • 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: 10.1155/2014/908385 Full text in Research Archive
  • Keilman, Nico & Keller, Lisa Dahl (2013). Hvor robust er det nye pensjonssystemet med hensyn til levealdersutviklingen? Samfunnsøkonomen. ISSN 1890-5250. p. 28–38.
  • Wisniowski, Arkadiusz; Bijak, Jakub; Christiansen, Solveig Tobie Glestad; Forster, Jonathan; Keilman, Nico & Raymer, James [Show all 7 contributors for this article] (2013). Utilising Expert Opinion to Improve the Measurement of International Migration in Europe. Journal of Official Statistics. ISSN 0282-423X. 29(4), p. 583–607. doi: 10.2478/jos-2013-0041
  • 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, p. 1263–1302. doi: 10.4054/DemRes.2013.28.43
  • 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), p. 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, p. 117–143.
  • Keilman, Nico (2010). On age structures and mortality. In Tuljapurkar, Shripad; Ogawa, Naohiro & Gauthier, Anne (Ed.), Ageing in Advanced Industrial States. Springer. ISSN 978-90-481-3552-3. p. 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), p. 47–72. doi: 10.1007/s10680-009-9195-9
  • 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), p. 137–153.
  • Alho, Juha; Cruijsen, Harri & Keilman, Nico (2008). Empirically based specification of forecast uncertainty. In Alho, Juha; Hougaard Jensen, Svend & Lassila, Jukka (Ed.), Uncertain demographics and fiscal sustainability. Cambridge University Press. ISSN 978-0-521-87740-4. p. 34–54.
  • Keilman, Nico; Cruijsen, Harri & Alho, Juha (2008). Changing views of future demographic trends. In Alho, Juha; Hougaard Jensen, Svend & Lassila, Jukka (Ed.), Uncertain demographics and fiscal sustainability. Cambridge University Press. ISSN 978-0-521-87740-4. p. 11–33.
  • Keilman, Nico (2008). Erroneous population forecasts. In Festy, Patrick & Sardon, Jean-Paul (Ed.), Hommage à Gérard Calot - Profession: démographe. Institut national d'études démographiques. ISSN 978-2-7332-4023-6. p. 237–254.
  • Keilman, Nico (2007). UK national population projections in perspective: How successful compared to those in other European countries? Population Trends. ISSN 0307-4463. p. 20–30.
  • 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, p. 33–69. doi: 10.1007/s10680-006-9104-4
  • 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), p. 1–10.
  • Keilman, Nico (2006). Households and families. In Wunsch, Guillaume; Caselli, Graziella & Vallin, Jacques (Ed.), Demography: Analysis and Synthesis. Academic Press. ISSN 0-12-765664-2. p. 457–476.
  • Keilman, Nico (2006). Demographic Translation: From Period to Cohort Perspective and Back. In Wunsch, Guillaume; Caselli, Graziella & Vallin, Jacques (Ed.), Demography: Analysis and Synthesis, A Treatise in Population Studies Volume 1. Elsevier. ISSN 978-0-12-765660-1. p. 213–223.
  • Keilman, Nico & Pham, Quang Dinh (2005). Hvor lenge kommer vi til å leve? Levealder og aldersmønster for dødeligheten i Norge, 1900–2060. Økonomiske analyser. ISSN 0800-4110. p. 43–49.
  • 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), p. 35–50.
  • Alho, Juha; Alders, Maarten; Cruijsen, Harri; Keilman, Nico; Nikander, Timo & Pham, Quang Dinh (2005). Befolkningsnedgang i EØS-området utsatt. SSB-Magasinet.
  • Keilman, Nico (2005). Erroneous population forecasts. In Keilman, Nico (Eds.), Perspectives on Mortality Forecasting No. 2: Probabilistic Models. Swedish Social Insurance Agency. ISSN 91-7500-326-0. p. 7–26.
  • Keilman, Nico Willem & Pham, Dinh Quang (2004). Time series based errors and empirical errors in fertility forecasts in the Nordic countries. International Statistical Review. ISSN 0306-7734. 72, p. 5–18.
  • Keilman, Nico Willem (2004). Démographie des ménages et de la famille: Application aux pays développés. In Caselli, Graziella; Vallin, Jacques & Wunsch, Guillaume (Ed.), Démographie: Analyse et synthèse. Volume VI: Population et société. Institut National d'Etudes Démographiques. ISSN 27332-2016-0. p. 345–388.
  • Keilman, Nico Willem (2003). Pensjonskommisjonen bør ta usikkerhet i befolkningsutviklingen alvorlig. Økonomiske analyser. ISSN 0800-4110. p. 16–24.
  • Keilman, Nico Willem (2003). Biodiversity: The threat of small households. Nature. ISSN 0028-0836. 421, p. 489–490.
  • Keilman, Nico Willem (2003). Types of Models for Projecting Mortality. In Bengtsson, Tommy & Keilman, Nico Willem (Ed.), Perspectives on Mortality Forecasting. Social Insurance Board. ISSN 91-89303-24-5. p. 19–27.
  • Keilman, Nico Willem (2003). Discussion: Should fertility intentions inform fertility forecasts? In Spencer, Gregory (Eds.), The direction of fertility in the United States. COPAFS. ISSN 0-9720596-0-1. p. 179–181.
  • Keilman, Nico Willem (2002). TFR predictions based on Brownian motion theory. Yearbook of Population Research in Finland. ISSN 0506-3590. XXXVIII, p. 207–219.
  • Keilman, Nico Willem; Pham, Quang Dinh & Hetland, Arve (2002). Why population forecasts should be probabilistic - illustrated by the case of Norway. Demographic Research. ISSN 1435-9871. 6, p. 407–454. doi: 10.4054/DemRes.2002.6.15
  • Keilman, Nico Willem (2001). Data quality and accuracy of United Nations population projections, 1950-95. Population Studies. ISSN 0032-4728. 55(2), p. 149–164.
  • Keilman, Nico Willem (2001). Uncertain population forecasts. Nature. ISSN 0028-0836. 412, p. 490–491.
  • Keilman, Nico Willem (2001). La traslazione demografica: dalla prospettiva di periodo a quella per generazione e viceversa. In Caselli, Graziella; Vallin, Jacques & Wunsch, Guillaume (Ed.), Demografia: La dinamica della popolozioni. Carocci, Roma. ISSN 88-430-1883-3. p. 439–461.
  • Keilman, Nico Willem (2001). La translation démographique: des indicateurs du moment aux indicateurs de génération et réciproquement. In Caselli, Graziella; Vallin, Jacques & Wunsch, Guillaume (Ed.), Démographie: analyse et synthèse. Volume I: La dynamique des populations. Editions de l'Institut National d'Etudes Démographiques. ISSN 2-7332-2011-X. p. 359–378.
  • Imhoff, Evert Van & Keilman, Nico Willem (2000). On the quantum and tempo of fertility: Comment. Population and Development Review. ISSN 0098-7921. 26(3), p. 549–553.
  • Keilman, Nico Willem (2000). Anton Kuijsten, 1944-2000. Bevolking en Gezin. ISSN 0772-764X. 29(1), p. 1–6.
  • Keilman, Nico Willem (2000). Précision et incertitudes des prévisions nationales de population. In Wattelar, Christine & Duchêne, Josianne (Ed.), Le Défi de l'Incertitude: Nouvelles Approches en Perspectives et Prospective Démographique. Academia-Bruylant/L'Harmattan, Louvain-la-Neuve, Belgique. ISSN 2-87209-525-X. p. 33–67.
  • Keilman, Nico Willem & Pham, Quang Dinh (2000). Predictive intervals for age-specific fertility. European Journal of Population. ISSN 0168-6577. 16(1), p. 41–66. doi: 10.1023/A%3A1006385413134
  • Keilman, Nico Willem (1999). Over tijd en kinderen: Het Noorse model. Facta. 7, p. 12–16.
  • Keilman, Nico Willem (1999). Demographic Translation: From Period to Cohort Perspective and Back, Démographie: Analyse et synthèse. Causes et conséquences des évolutions démographiques. Dipartimento di Scienze Demografiche, Università di Roma "La Sapienza". p. 1–14.
  • Keilman, Nico Willem (1999). The future of social solidarity in Europe: The demographic background. In Gaarder, Godrun (Eds.), Towards flexible welfare states: The future of social solidarity in Europe. Europa-programmet, Oslo.
  • Keilman, Nico Willem (1998). How Accurate Are the United Nations World Population Projections? Population and Development Review. ISSN 0098-7921. 24(Supplement), p. 15–41.
  • Lyngstad, Jan; Keilman, Nico Willem; Bojer, Hilde & Thomsen, Ib (1998). Poverty and Economic Inequality: Concepts, Measures, and Methods. In Keilman, Nico Willem; Lyngstad, Jan; Bojer, Hilde & Thomsen, Ib O (Ed.), Poverty and Economic Inequality in Industrialized Western Societies. Scandinavian University Press. ISSN 82-00-22493-7. p. 3–31.
  • Keilman, Nico Willem (1998). Female Dominance. In Kuijsten, Anton; Gans, Henk De & Feijter, Henk De (Ed.), The joy of demography ¿.. and other disciplines: Liber Amicorum for Dirk van de Kaa. Thela - Thesis Publ., Amsterdam. p. 215–228.

View all works in Cristin

  • Mazzuco, Stefano & Keilman, Nico (2020). Developments in Demographic Forecasting. Springer Nature. ISBN 978-3-030-42471-8. 261 p.
  • Bengtsson, Tommy & Keilman, Nico (2019). Old and New Perspectives on Mortality Forecasting. Springer Nature. ISBN 978-3-030-05074-0. 350 p.
  • Keilman, Nico (2005). Perspectives on Mortality Forecasting No. 2: Probabilistic Models. Swedish Social Insurance Agency. ISBN 91-7500-326-0. 79 p.
  • Bengtsson, Tommy & Keilman, Nico Willem (2003). Perspectives on Mortality Forecasting. Social Insurance Board. ISBN 91-89303-24-5. 97 p.

View all works in Cristin

  • Keilman, Nico (2021). New population forecasts predict too few births in sub-Saharan countries. The Lancet. ISSN 0140-6736. 398.
  • Keilman, Nico & Mazzuco, Stefano (2020). Introduction. In Mazzuco, Stefano & Keilman, Nico (Ed.), Developments in Demographic Forecasting. Springer Nature. ISSN 978-3-030-42471-8. p. 1–20. doi: 10.1007/978-3-030-42472-5_1 Full text in Research Archive
  • Keilman, Nico (2020). A probabilistic forecast for the population of Norway, Norway’s 2020 population projections: National level results, methods and assumptions. Statistics Norway. ISSN 978-82-587-1149-7. p. 177–182.
  • Keilman, Nico (2020). Modelling education and climate change. Nature Sustainability. ISSN 2398-9629. p. 497–498. doi: 10.1038/s41893-020-0515-8
  • Keilman, Nico (2019). Probabilistic household and living arrangement forecasts.
  • Keilman, Nico (2019). Probabilistic household and living arrangement forecasts.
  • Bengtsson, Tommy; Keilman, Nico; Alho, Juha; Christensen, Kaare; Palmer, Edward & Vaupel, James W. (2019). Introduction. In Bengtsson, Tommy & Keilman, Nico (Ed.), Old and New Perspectives on Mortality Forecasting. Springer Nature. ISSN 978-3-030-05074-0. p. 1–19.
  • Syse, Astri; Pham, Quang Dinh & Keilman, Nico (2018). Dødelighet og levealder. In Leknes, Stefan; Løkken, Sturla Andreas Kise; Syse, Astri & Tønnessen, Marianne (Ed.), Befolkningsframskrivingene 2018: Modeller, forutsetninger og resultater. Statistics Norway. ISSN 978-82-537-9767-0. p. 57–86.
  • Keilman, Nico (2018). Morgendagens eldre: større sjanse for å bo med partner og mindre sjanse for å bo alene.
  • Keilman, Nico (2018). Forventet levealder og komprimering av dødelighet: perioder og kohorter.
  • Keilman, Nico (2018). Increasing (but insufficient?) optimism about future life expectancy. N-IUSSP.
  • Keilman, Nico (2018). Mortality shifts and mortality compression in period and cohort life tables.
  • Keilman, Nico (2018). Training Course on Demographic Analysis and Population Projections, Pristina, Kosovo, 4-7 December 2018 .
  • Keilman, Nico (2018). Psoriasispasientenes livsløp - påvirker behandling deres parforhold? . BestPractice Dermatologi. 9(28), p. 18–19.
  • Keilman, Nico (2018). Økende optimisme om forventet levealder. Forskning.no. ISSN 1891-635X.
  • Keilman, Nico; Pham, Quang Dinh & Syse, Astri (2017). Mortality shifts and mortality compression in Norway 1900-2100: periods and cohorts.
  • Keilman, Nico (2017). Period and cohort life expectancy, mortality compression, and age at death distribution.
  • Keilman, Nico (2017). Population Projection in Kosovo, 2017-2061: Methodology and key findings.
  • Keilman, Nico (2016). Probabilistic household forecasts for Denmark, Finland, and the Netherlands 2011-2041: Combining the Brass relational method with a Random Walk model .
  • Keilman, Nico (2016). Befolkning: Statistisk sentralbyrå bør endre praksis og publisere sannsynlighetsprognoser. Samfunnsøkonomen. ISSN 1890-5250. p. 59–66.
  • Keilman, Nico (2016). Probabilistic demographic forecasts.
  • Keilman, Nico (2016). A two-sex model for first marriage.
  • Bernhoft, Aksel; Albihn, Ann; Hessen, Dag Olav; Holmboe-Ottesen, Gerd; Keilman, Nico & Børresen, Trond [Show all 9 contributors for this article] (2016). Hvordan skal vi sikre et landbruk som kan fø oss i framtiden?
  • Keilman, Nico (2016). Barnefamilier, fruktbarhetsnivå og samfunnsplanlegging .
  • 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 [Show all 16 contributors for this article] (2015). Letter to the Editor: Probabilistic Population Forecasts for Informed Decision Making. Journal of Official Statistics. ISSN 0282-423X. 31(4), p. 537–544. doi: 10.1515/JOS-2015-0033
  • Keilman, Nico (2015). Jordens befolkning, "antall munner å mette".
  • Keilman, Nico (2015). Dimension reduction by Brass' Relational Model: Household Dynamics in Five European Countries.
  • Keilman, Nico (2015). Stochastic household forecasts for Denmark, Finland, Germany, Netherlands, Norway.
  • Keilman, Nico (2014). Norway’s new public pension system: Is it robust against unexpected life expectancy developments?
  • Keilman, Nico (2014). Dimension reduction of household parameter time series by the Brass logit model.
  • Keilman, Nico (2014). Probabilistic population and household forecasts.
  • 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".
  • Keilman, Nico (2013). Pensjonsreformen kan bli mye dyrere enn mange tror.
  • Keilman, Nico (2013). Probabilistic demographic projections.
  • Christiansen, Solveig Tobie Glestad & Keilman, Nico (2012). Probabilistic household forecasts based on register data: the case of Denmark and Finland.
  • 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). College huishoudensprognoses.
  • Keilman, Nico & Van Duin, Coen (2012). Stochastic household forecasts by coherent random shares predictions.
  • Keilman, Nico (2012). Challenges for statistics on households and families.
  • Keilman, Nico (2012). Onzekerheid in demografische prognoses.
  • Keilman, Nico (2012). Missing girls in China will lead to fewer future births than previously thought.
  • Keilman, Nico (2010). On future households.
  • Keilman, Nico (2009). Failure and success: In-sample and out-of-sample demographic forecasts.
  • Keilman, Nico & Veløy, Chris (2008). Europa kan halveres på to generasjoner. [Internet]. http://nrk.no/programmer/tv/schrodingers_katt/1.6224278.
  • Keilman, Nico & Veløy, Chris (2008). AFP en ulykke for landet. [Internet]. http://nrk.no/programmer/tv/schrodingers_katt/1.6224469.
  • Keilman, Nico (2008). Using deterministic and probabilistic population forecasts. Interdisciplinary Communications. ISSN 0809-8735.
  • Keilman, Nico (2008). Concern in the European Union about Low Birth Rates. European View. ISSN 1781-6858. 7, p. 333–340. doi: 10.1007/s12290-008-0055-5
  • Keilman, Nico (2008). Emerging family and household types in Europe: Issues, definitions and classifications.
  • Keilman, Nico (2008). Uncertain population forecasts.
  • Keilman, Nico (2008). Scenarios of demographic change: the role of probabilistic approaches in population projection.
  • Keilman, Nico (2006). Livslängd och invandring spräckte prognoserna. Välfärd. ISSN 1651-6710. p. 6–7.
  • Keilman, Nico; Cruijsen, Harri & Alho, Juha (2006). Diverging views of future demographic trends.
  • 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.
  • Alho, Juha; Alders, Maarten; Cruijsen, Harri; Keilman, Nico; Nikander, Timo & Pham, Quang Dinh (2005). Population decline postponed in Europe. Statistical Magazine.
  • Alders, Maarten; Keilman, Nico & Cruijsen, Harri (2005). Assumptions for national stochastic population forecasts in 18 European countries.
  • Keilman, Nico & Vogt, Yngve (2004). Utrygg pensjonsreform: Samfunnet kan tape skyhøye beløp. Aftenposten (morgenutg. : trykt utg.). ISSN 0804-3116.
  • Keilman, Nico (2004). Long term public old age pension obligations in a stochastic demographic setting in Norway.
  • 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), p. 340–341.
  • Keilman, Nico Willem (2002). DEMOGRAPHIC AND SOCIAL IMPLICATIONS OF LOW FERTILITY FOR FAMILY STRUCTURES IN EUROPE.
  • Keilman, Nico Willem & Pham, Quang Dinh (2002). Time series based errors and empirical errors in fertility forecasts in the Nordic countries.
  • Keilman, Nico Willem (2001). Types of models for projecting mortality.
  • Keilman, Nico Willem; Pham, Dinh Quang & Hetland, Arve (2001). Norway's uncertain demographic future.
  • Keilman, Nico Willem (2001). Population Forecasting.
  • Keilman, Nico Willem (2001). Age structural transitions in historical perspective: What can we learn from the past?
  • Keilman, Nico Willem (2000). Andrew Hinde, Demographic Methods. London: Arnold Publishers 1998. European Journal of Population. ISSN 0168-6577. 16(2), p. 187–188.
  • Keilman, Nico Willem & Hetland, Arve (1999). Simulated confidence intervals for future period and cohort fertility.
  • Keilman, Nico; Pham, Quang Dinh & Syse, Astri (2018). Mortality shifts and mortality compression: The case of Norway, 1900-2060. Statistics Norway. ISSN 1892-753X.
  • Kastrati, Avni; Uka, Sanije; Sojeva, Arijeta & Keilman, Nico (2017). Kosovo Population Projection 2017-2061. Kosovo Agency of Statistics. ISSN 978-9951-22-420-8.
  • Keilman, Nico (2016). Fødsler og fruktbarhet i Norge. Akademika AS.
  • Keilman, Nico (2015). Probabilistic household forecasts for five countries in Europe. ingen. Full text in Research Archive
  • Wisniowski, Arkadiusz; Keilman, Nico; Bijak, Jakub; Christiansen, Solveig; Forster, Jonathan & Smith, Peter [Show all 7 contributors for this article] (2011). Augmenting migration statistics with expert knowledge. NORFACE.
  • 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. Økonomisk institutt. ISSN 0809-8786. 2010(22).
  • Keilman, Nico Willem & Pham, Quang Dinh (2004). Empirical errors and predicted errors in fertility, mortality and migration forecasts in the European Economic Area. Statistics Norway. ISSN 1892-753X.
  • Keilman, Nico Willem (2004). Conséquences démographiques et sociales d'une faible fécondité pour les structures familiales en Europe. Council of Europe Publishing/Editions du Conseil de l'Europe. ISSN 92-871-5441-4.
  • Keilman, Nico Willem (2003). Demographic implications of low fertility for family structures in Europe. Strasbourg: Council of Europe.
  • Keilman, Nico Willem (2003). Demographic and social implications of low fertility for family structures in Europe. Council of Europe Publishing. ISSN 92-871-5342-6.
  • Keilman, Nico Willem (2001). Children and time: The Norwegian model. Netherlands Interdisciplinary Demographic Institute.
  • Keilman, Nico Willem; Pham, Quang Dinh & Hetland, Arve (2001). Norway's Uncertain Demographic Future. Statistics Norway. ISSN 82-537-5002-1.
  • Keilman, Nico Willem (2000). Demographic Translation: From Period To Cohort Perspective And Back. Department of Economics, University of Oslo. ISSN 0801-1117.
  • Imhoff, Evert Van & Keilman, Nico Willem (1999). On the quantum and tempo of fertility: Comment. Netherlands Interdisciplinary Demographic Institute, The Hague.
  • Keilman, Nico Willem & Pham, Quang Dinh (1998). Predictive Intervals for Age-Specific Fertility. Statistics Norway. ISSN 0805-9411.

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Published Sep. 23, 2010 10:40 AM - Last modified May 26, 2021 2:46 PM

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