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430 results on '"Billari, Francesco C."'

8. Fertility and its Meaning: Evidence from Search Behavior

Author

Ojala, Jussi, Zagheni, Emilio, Billari, Francesco C., and Weber, Ingmar

Subjects
Computer Science - Computers and Society
Abstract

Fertility choices are linked to the different preferences and constraints of individuals and couples, and vary importantly by socio-economic status, as well by cultural and institutional context. The meaning of childbearing and child-rearing, therefore, differs between individuals and across groups. In this paper, we combine data from Google Correlate and Google Trends for the U.S. with ground truth data from the American Community Survey to derive new insights into fertility and its meaning. First, we show that Google Correlate can be used to illustrate socio-economic differences on the circumstances around pregnancy and birth: e.g., searches for "flying while pregnant" are linked to high income fertility, and "paternity test" are linked to non-marital fertility. Second, we combine several search queries to build predictive models of regional variation in fertility, explaining about 75% of the variance. Third, we explore if aggregated web search data can also be used to model fertility trends., Comment: This is a preprint of a short paper accepted at ICWSM'17. Please cite that version instead

Published
2017

9. Fertility Postponement, Economic Uncertainty, and the Increasing Income Prerequisites of Parenthood.

Author

van Wijk, Daniël and Billari, Francesco C.

Subjects
*ECONOMIC uncertainty, *INCOME, *PARENTHOOD, *FERTILITY, *YOUNG adults
Abstract

Rich societies have witnessed a postponement of parenthood over the past two decades, and young adults' economic conditions are often invoked to explain this trend. However, macro‐level trends in both "subjective" perceptions of economic uncertainty and "objective" measures of actual income provide no satisfactory explanation for the postponement of parenthood. We propose a potential solution to this puzzle by hypothesizing that the economic prerequisites of parenthood have increased over the past two decades. We expect that this has raised the degree of perceived economic certainty and the level of income that people wish to achieve before having a first child. To test this hypothesis, we draw on individual‐level longitudinal data from seven countries from the Comparative Panel File. Our findings show that young adults' perceived economic uncertainty is not consistently associated with the transition to parenthood. Moreover, the effects of perceived economic uncertainty did not change over time. In contrast, we find consistent evidence that the link between income and first birth has become more strongly positive over the past two decades. This is true mainly for women but also for men, and suggests that increasing income prerequisites are a key mechanism behind the postponement of parenthood. [ABSTRACT FROM AUTHOR]

Published
2024
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27. Demography: Fast and Slow

Author

Billari, Francesco C.

Subjects
Sociology and Political Science, Development, Demography
Abstract

Scientific ideas on the human population tend to be rooted in a "slow demography" paradigm, which emphasizes an inertial, predictable, self-contained view of population dynamics, mostly dependent on fertility and mortality. Yet, demography can also move fast. At the country level, it is crucial to empirically assess how fast demography moves by taking migratory movements into account, in addition to fertility and mortality. We discuss these ideas and present new estimates of the speed of population change, that is, country-level population turnover rates, as well as the share of turnover due to migration, for all countries in the world with available data between 1990 and 2020. Population turnover is inversely related to population size and development, and migratory movements tend to become important factors in shaping demography for both small and highly developed countries. Longitudinally, we analyze annual turnover data for Italy and Germany, documenting the changing speed of population change over time and its determinants. Accepting the "fast and slow" demography perspective has several implications for science and policy, which we discuss.

Published
2022

28. Agent-Based Computational Modelling: An Introduction

Author

Billari, Francesco C., Fent, Thomas, Prskawetz, Alexia, Scheffran, Jürgen, Müller, Werner A., editor, Bihn, Martina, editor, Billari, Francesco C., editor, Fent, Thomas, editor, Prskawetz, Alexia, editor, and Scheffran, Jürgen, editor

Published
2006
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41. Sequence Analysis of BHPS Life Course Data

Author

Aassve, Arnstein, Billari, Francesco C., Piccarreta, Raffaella, Bock, H.-H., editor, Gaul, W., editor, Vichi, M., editor, Arabie, Ph., editor, Baier, D., editor, Critchley, F., editor, Decker, R., editor, Diday, E., editor, Greenacre, M., editor, Lauro, C., editor, Meulman, J., editor, Monari, P., editor, Nishisato, S., editor, Ohsumi, N., editor, Opitz, O., editor, Ritter, G., editor, Schader, M., editor, Weihs, C., editor, Vichi, Maurizio, editor, Monari, Paola, editor, Mignani, Stefania, editor, and Montanari, Angela, editor

Published
2005
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