Skip Nav Destination
Close Modal
1-15 of 15
Search Results for Complex Conjugate Root
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Journal Article
On Stable Population Theory With Immigration
Available to Purchase
Demography (1987) 24 (3): 431–438.
Published: 01 August 1987
... of the characteristics of the population at the origin. 9 1 2011 © Population Association of America 1987 1987 Vital Rate Fertility Behavior Convolution Theorem Complex Conjugate Root Population Theory References Bellman , R. , & Cooke , K. L. ( 1963 ). Differential...
Journal Article
Living Arrangements and the Elderly: An Analysis of Old-Age Mortality by Household Structure in Casalguidi, 1819–1859
Available to Purchase
Demography (2013) 50 (5): 1593–1613.
Published: 18 May 2013
... itself, which could be an intermediate form between a nuclear and stem family. Complex households were split into two subgroups according to their level of complexity: namely, those with only one conjugal unit (extended family groups) and those with two or more conjugal units (joint households...
Journal Article
Limit cycle oscillations of the human population
Available to Purchase
Demography (1983) 20 (3): 285–298.
Published: 01 August 1983
... his results. we note that as a function of the parameter 1'. three distinct types of solu- tions are possible. If 0 < l' < 1. (3) admits a unique. real. negative root. and an infinite number of complex conjugate pairs of roots, all with real parts smaller than the one real root. It is further found...
Journal Article
Birth trajectory under changing fertility conditions
Available to Purchase
Demography (1975) 12 (3): 447–454.
Published: 01 August 1975
... confirmed that the only real root of (1Oc) is r == rl = °and that all of the remaining roots, r2, T3, , come in complex conjugate pairs with negative real parts. Consequently, the birth trajec- tory is the sum of a constant Q1 and an infinite sequence of exponentially decay- ing oscillatory terms. The birth...
Journal Article
The use of fourier analysis to express the relation between time variations in fertility and the time sequence of births in a closed human population
Available to Purchase
Demography (1970) 7 (1): 93–120.
Published: 01 February 1970
...) = h"'ewl + he-,w1(where h and h are complex conjugates), zt) as zeinWI + z"*ew,, and xt) as xew' + xeVJI. Equation (7) can now be expanded by writing aseparate equation for those terms containing the same exponent of e, giving the following set: B(t) and q,(a, t) are inserted in Equation (1) (noting...
View articletitled, The use of fourier analysis to express the relation between time variations in fertility and the time sequence of births in a closed human population
View
PDF
for article titled, The use of fourier analysis to express the relation between time variations in fertility and the time sequence of births in a closed human population
Journal Article
The joint effects of marriage partners’ socioeconomic positions on the risk of divorce
Available to Purchase
Demography (2003) 40 (1): 67–81.
Published: 01 February 2003
... was their lack of independent social and economic resources (Phillips 1991; Scanzoni 1979). Con- sequently, the increased participation of women in the labor force has been viewed as one of the root causes of the increase in marital disruption in the twentieth century (for re- views, see Greenstein 1990...
Journal Article
What’s happening to the family? Interactions between demographic and institutional change: Population association of America, 1990 presidential address
Available to Purchase
Demography (1990) 27 (4): 483–498.
Published: 01 November 1990
... are not the whole story. Lesthaeghe (1983; Lesthaeghe & Surkyn 1988; Lesthaeghe & Wilson 1985) argued that individuation and secularization are independent causal forces in family change. These cultural factors exist in symbiotic relationship with modern economies, but they have deep historical roots of their own...
View articletitled, What’s happening to the family? Interactions between demographic and institutional change: Population association of America, 1990 presidential address
View
PDF
for article titled, What’s happening to the family? Interactions between demographic and institutional change: Population association of America, 1990 presidential address
Journal Article
Culture and Demography: From Reluctant Bedfellows to Committed Partners
Available to Purchase
Demography (2014) 51 (1): 3–25.
Published: 12 December 2013
... about what her future life will be like. Fig. 4 A heuristic network model of a complex schema (model) of marriage Schemas do not simply represent cold facts or definitions (Damasio 2010 ; Ignatow 2007 ). They incorporate evaluative meanings as well, rooted in the visceral and emotional...
FIGURES
| View All (8)
Journal Article
The racial crossover in family complexity in the United States
Available to Purchase
Demography (2003) 40 (3): 569–587.
Published: 01 August 2003
...Frances K. Goldscheider; Regina M. Bures Abstract This article examines the evolution of the black extended family by documenting a black-white crossover in the proportions of unmarried adults living in complex households after the middle of the twentieth century. We demonstrate significant racial...
Journal Article
The Household Structure Transition in China: 1982–2015
Available to Purchase
Demography (2020) 57 (4): 1369–1391.
Published: 10 June 2020
... ; Hammel and Laslett 1974 ), scholars have developed a two-level typology system to capture the more complex household forms in China (Wang 2008 , 2013 ). The five primary-level Chinese household types include the nuclear household , consisting either of a married couple or a divorced/widowed...
FIGURES
| View All (4)
Journal Article
Intergenerational relations and reproductive behavior in Taiwan
Available to Purchase
Demography (1986) 23 (2): 185–197.
Published: 01 May 1986
... effects with all the controls became quite modest but not trivial, consider- ing that this is such a complex and changing situation. Indeed, we may be underestimating the total familial-nonfamilial effects with the nonfamilial index because education and age at marriage are not included in it. As we just...
Journal Article
Ethnic Residential Segregation: A Multilevel, Multigroup, Multiscale Approach Exemplified by London in 2011
Open Access
Demography (2015) 52 (6): 1995–2019.
Published: 20 October 2015
... suggesting that some are more segregated than others fails to uncover the full detail of a complex set of overlapping maps. 1 The data can be obtained from Table KS201EW on the relevant websites (e.g., https://www.nomisweb.co.uk/ ). 4 9 2015 20 10 2015 © The Author(s) 2015...
FIGURES
Journal Article
Migration, Gender, and Families: The Effects of Spousal Migration on Women's Empowerment
Available to Purchase
Demography (2024) 61 (3): 769–795.
Published: 01 June 2024
... in Bangladesh ( Mahmud et al. 2012 ; Mahmud and Tasneem 2014 ) and the literature examining families left behind by migration ( Desai and Banerji 2008 ; Green et al. 2019 ; Hadi 2001 ; Toyota et al. 2007 ), we built a model to examine the complex relationships between migration, families, and empowerment...
FIGURES
| View All (4)
View articletitled, Migration, Gender, and Families: The Effects of Spousal Migration on Women's Empowerment
View
PDF
for article titled, Migration, Gender, and Families: The Effects of Spousal Migration on Women's Empowerment
Includes: Supplementary data
Journal Article
The developmental paradigm, reading history sideways, and family change
Available to Purchase
Demography (2001) 38 (4): 449–465.
Published: 01 November 2001
.... ( 1978 ). Early Liberal Roots of Feminism: John Locke and the Attack on Patriarchy . American Political Science Review , 72 ( 1 ), 135 – 50 . Buxbaum , D.C. ( 1968 ). Family Law and Customary Law in Asia: A Contemporary Legal Perspective . The Hague : Martinus Nijhoff . Caldwell...
Journal Article
African-American marriage in 1910: Beneath the surface of census data
Available to Purchase
Demography (1992) 29 (1): 1–15.
Published: 01 February 1992
... the mother with the child in the linking system used. It is also possible, of course, that the more complex household structures among blacks resulted in more false links. Nevertheless, it seems very likely that a substantial fraction of black women bore a child before what was reported in the 1910 census...
