The emergence of lowest‐low fertility in Europe during the 1990s HP Kohler, FC Billari, JA Ortega Population and development review 28 (4), 641-680, 2002 | 2268 | 2002 |
Low fertility in Europe: Causes, implications and policy options HP Kohler, FC Billari, JA Ortega The baby bust: Who will do the work, 48-109, 2006 | 396 | 2006 |
Tempo-adjusted period parity progression measures, fertility postponement and completed cohort fertility HP Kohler, JA Ortega Demographic research 6, 91-144, 2002 | 253 | 2002 |
Towards a Theory of Lowest Low Fertility. HP Kohler, FC Billari, JA Ortega Max Planck Institute for Demographic Research WP-2001-032, 2001 | 94* | 2001 |
Tempo-adjusted period parity progression measures: Assessing the implications of delayed childbearing for cohort fertility in Sweden, the Netherlands and Spain HP Kohler, JA Ortega Demographic Research 6, 145-190, 2002 | 91 | 2002 |
Las consecuencias demográficas JA Ortega, J Silvestre La economía de la guerra civil, 53-105, 2006 | 71 | 2006 |
Intergenerational transmission of reproductive traits in Spain during the demographic transition DS Reher, JA Ortega, A Sanz-Gimeno Human Nature 19, 23-43, 2008 | 58 | 2008 |
Measuring low fertility: rethinking demographic methods JA Ortega, HP Kohler Hommage à Gérard Calot. Profession: Démographe, 141-181, 2009 | 49* | 2009 |
A characterization of world union patterns at the national and regional level JA Ortega Population Research and Policy Review 33, 161-188, 2014 | 48 | 2014 |
¿Está cayendo realmente la fecundidad española?: Separación de los efectos intensidad, calendario y varianza en el Índice Sintético de Fecundidad JA Ortega Osona, HP Kohler REIS, 95-122, 2001 | 42* | 2001 |
Adolescent contraceptive use and its effects on fertility DA Sánchez-Páez, JA Ortega Demographic Research 38 (45), 1359-1388, 2018 | 40 | 2018 |
The baby bust: Who will do the work? Who will pay the taxes? HP Kohler, FC Billari, JA Ortega, FR Harris Rowman & Littlefield Publishers, 2006 | 39* | 2006 |
Despoblamiento y envejecimiento en Castilla y León durante el siglo XX: análisis a través de la emigración femenina y la pérdida de nacimientos A Del Rey, M Cebrián, JA Ortega Ager. Revista de Estudios sobre Despoblación y Desarrollo Rural 8 (2009 …, 2009 | 31 | 2009 |
Old insights and new approaches: Fertility analysis and tempo adjustment in the age-parity model HP Kohler, JA Ortega Vienna yearbook of population research, 57-89, 2004 | 31 | 2004 |
Reported patterns of pregnancy termination from Demographic and Health Surveys DA Sánchez-Páez, JA Ortega PloS one 14 (8), e0221178, 2019 | 30 | 2019 |
Las consecuencias demográficas de la Guerra Civil JA Ortega, J Silvestre X Congreso de la AEHE 13, 2005 | 26 | 2005 |
Short-term economic fluctuations and demographic behaviour: Some examples from 20th-century South America D Reher, JA Ortega Demographic responses to economic adjustment in Latin America, 129-155, 1997 | 24 | 1997 |
Joint forecasts of Southern European fertility rates with non-stationary dynamic factor models JA Ortega, P Poncela International Journal of Forecasting 21 (3), 539-550, 2005 | 22 | 2005 |
Malthus revisited: Exploring medium-range interactions between economic and demographic forces in historic Europe DS Reher, JA Ortega Population and economy: from hunger to modern economic growth, 183-212, 2000 | 21 | 2000 |
Birth replacement ratios: new measures of period population replacement JA Ortega Fundación de las Cajas de Ahorros, Working Paper 261, 1-32, 2006 | 18 | 2006 |