All Response Letters

Most recent first

02 Februar 2024 | Response Letter

Do Ultra-Orthodox Jews Exhibit Natural Fertility?

by Lyman Stone

Response to article:
Ultra-Orthodox fertility and marriage in the United States: Evidence from the American Community Survey

25 Januar 2024 | Response Letter

Fertility of Ultra-Orthodox Jews in USA

by Michel Garenne

Response to article:
Ultra-Orthodox fertility and marriage in the United States: Evidence from the American Community Survey

04 August 2022 | Response Letter

A Note on the Outsurvival Statistic

by David Hand

Response to article:
Outsurvival as a measure of the inequality of lifespans between two populations

10 Juni 2021 | Response Letter

Error and typos in mathematical expressions

by Trifon Missov

Response to article:
Gamma-Gompertz life expectancy at birth

08 Januar 2021 | Response Letter

Concept of the Equivalent Length of Life

by Magdalena Muszyńska-Spielauer

Response to article:
Distributionally adjusted life expectancy as a life table function

08 Januar 2021 | Response Letter

Erratum to 'Distributionally adjusted life expectancy as a life table function'

by Francisco Goerlich

Response to article:
Distributionally adjusted life expectancy as a life table function

08 November 2019 | Response Letter

Response letter concerning equation in original manuscript

by James W. Vaupel

Response to article:
Unobserved population heterogeneity: A review of formal relationships

03 August 2018 | Response Letter

Why does Taylor's law in human mortality data have slope less than 2, contrary to the Gompertz model?

by Joel E. Cohen

Response to article:
Gompertz, Makeham, and Siler models explain Taylor's law in human mortality data

11 Juli 2018 | Response Letter

More general set of conditions producing a Taylor’s Law with an exact slope of 2

by Michel Guillot

Response to article:
Gompertz, Makeham, and Siler models explain Taylor's law in human mortality data

11 Juli 2018 | Response Letter

Purely temporal variation in mortality change cannot explain deviations from TL slope=2

by Carl Schmertmann

Response to article:
Gompertz, Makeham, and Siler models explain Taylor's law in human mortality data

16 Februar 2018 | Response Letter

Involving men in family planning programming

by Irit Sinai

Response to article:
Factors explaining the North–South differentials in contraceptive use in Nigeria: A nonlinear decomposition analysis

24 Januar 2018 | Response Letter

Response to “Comparisons to Limited Regions and Without Controls Make Africa Look Slower Than It Is”

by David Shapiro

Response to article:
On the pace of fertility decline in sub-Saharan Africa

03 Januar 2018 | Response Letter

Comparisons to limited regions and without controls make Africa look slower than it is

by Lyman Stone

Response to article:
On the pace of fertility decline in sub-Saharan Africa

07 Januar 2017 | Response Letter

Response: Modeling religious switching as a young adult phenomenon

by Conrad Hackett

Response to article:
The future size of religiously affiliated and unaffiliated populations

20 Dezember 2016 | Response Letter

Question: Distribution by age of transitions

by Pearce Aurigemma

Response to article:
The future size of religiously affiliated and unaffiliated populations

27 August 2015 | Response Letter

Alternative estimates support new findings of Andreev and Kingkade

by Roland Rau

Response to article:
Average age at death in infancy and infant mortality level: Reconsidering the Coale-Demeny formulas at current levels of low mortality

09 Juni 2015 | Response Letter

On the comment on a study of parity in centenarian women of Sardinia

by Rosa Maria Lipsi

Response to article:
Demographic characteristics of Sardinian centenarian genealogies: Preliminary results of the AKeA2 study

28 Mai 2015 | Response Letter

A comment on a study of parity in centenarian women of Sardinia

by Éric Le Bourg

Response to article:
Demographic characteristics of Sardinian centenarian genealogies: Preliminary results of the AKeA2 study

17 März 2015 | Response Letter

On the critique of association, aggregation and paradoxes in the age-specific and country-heterogeneous association between fertility and female employment

by Uta Brehm

Response to article:
On the age-specific correlation between fertility and female employment: Heterogeneity over space and time in OECD countries

13 März 2015 | Response Letter

Association, Aggregation, and Paradoxes: On the Positive Correlation Between Fertility and Women's Employment

by Rense Nieuwenhuis

Response to article:
On the age-specific correlation between fertility and female employment: Heterogeneity over space and time in OECD countries

19 Februar 2015 | Response Letter

Accuracy of the estimator

by Ralph Brinks

Response to article:
A multistate model to project elderly disability in case of limited data

15 Mai 2014 | Response Letter

The course (of) (or) history of life?

by Gert Stulp

Response to article:
A life-course approach to fertility

28 März 2014 | Response Letter

What makes a demographic scenario ‘unrealistic’? Response to Le Bourg

by Stuart Gietel-Basten

Response to article:
Very long range global population scenarios to 2300 and the implications of sustained low fertility

20 März 2014 | Response Letter

Unrealistic demographic scenarios should not be published

by Éric Le Bourg

Response to article:
Very long range global population scenarios to 2300 and the implications of sustained low fertility