Zobrazeno 1 - 10
of 208
pro vyhledávání: '"N. Keyfitz"'
Autor:
Barbara Lee Keyfitz, N. Keyfitz
Publikováno v:
Mathematical and Computer Modelling. 26:1-9
One way of modeling the evolution in time of an age-structured population is to set up the evolution process as a partial differential equation in which time and age are the independent variables. The resulting equation, known as the McKendrick equat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07501e652116788360a869649e363518
https://doi.org/10.1016/s0895-7177(97)00165-9
https://doi.org/10.1016/s0895-7177(97)00165-9
Autor:
N, Keyfitz
Publikováno v:
NPG forum series.
There is a need for demography to be brought into policy-making discussions. In the time of Malthus, both economists and ecologists spoke the same language and each group was receptive to and supportive of the ideas of the other. The present organiza
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::b776728f9681f20e5fe1ace78f03ec0f
https://pubmed.ncbi.nlm.nih.gov/12178977
https://pubmed.ncbi.nlm.nih.gov/12178977
Autor:
N, Keyfitz
Publikováno v:
Migration world magazine. 20(3)
The author examines and compares the immigration acculturation philosophies of Europe and the United States. He finds that "present [discrimination] problems throughout Europe show the enormous difficulty of accepting foreigners for countries whose n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::387a29323845a6270079fefb70e5258f
https://pubmed.ncbi.nlm.nih.gov/12317549
https://pubmed.ncbi.nlm.nih.gov/12317549
Autor:
N. Keyfitz
Publikováno v:
Population Studies. 44:176-177
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c5796acdcb691af8fa269727b7891d0
https://doi.org/10.1080/0032472031000144476
https://doi.org/10.1080/0032472031000144476
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Autor:
John W. Bennett, Ignacio Bernal, Olemar Blasi, Sherburne F. Cook, William M. Denevan, Harold E. Driver, Frederick L. Dunn, Malcolm F. Farmer, R. G. Forbis, Helmuth Fuchs, Alexander Häusler, William A. Haviland, Eusebio Dávalos Hurtado, Thomas F. Kehoe, Alice B. Kehoe, N. Keyfitz, A. Carmagnani, Peter Kunstadter, T. J. Maxwell, John Paddock, Milan Stloukal, Bruce G. Trigger, Henry F. Dobyns, H. Paul Thompson
Publikováno v:
Current Anthropology. 7:425-449
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::918ccece7e2252ebd72ff716253b7ec3
https://doi.org/10.1086/ca.7.4.3880304
https://doi.org/10.1086/ca.7.4.3880304
Autor:
N. Keyfitz
Publikováno v:
Population Studies. 6:123-134
Summary This paper describes the use of a probability sample to survey differential fertility. 475 women were randomly selected from the 1941 Census of Canada to provide tests of the existence of five differentials: income, present age, age by marria
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5f242598e24c111d20f68f098b18d3dc
https://doi.org/10.1080/00324728.1952.10416682
https://doi.org/10.1080/00324728.1952.10416682
Autor:
N. Keyfitz, H. F. Greenway
Publikováno v:
Canadian Journal of Economics and Political Science. 27:313-322
For most of the first half of this century the dominant figure in Canadian statistics was Robert Coats. The principal facts of his life and career are given in an obituary written for this Journal (August, 1960, pp. 482–3) by Mr. Herbert Marshall.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::734517079b3d18522dc9964f6d48db29
https://doi.org/10.2307/139589
https://doi.org/10.2307/139589
Autor:
N, Keyfitz
Publikováno v:
Politiques de population. 2(2)
The reasons why population policies are difficult to evaluate are discussed. It is the author's assertion that these policies concern two overlapping but incompatible subsystems, involving the objectives of the state and those of individual families.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::ffae043921600081a722ccd595aeea44
https://pubmed.ncbi.nlm.nih.gov/12281174
https://pubmed.ncbi.nlm.nih.gov/12281174
Autor:
N, Keyfitz, J, Frauenthal
Publikováno v:
Biometrics. 31(4)
A life table estimates probabilities of surviving and of dying as well as death rates, as these would apply in a stationary population with the same underlying continuous mortality curve as the observed population. We have derived approximations to t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::0065df5127c50e11ab91364d79510942
https://pubmed.ncbi.nlm.nih.gov/1203430
https://pubmed.ncbi.nlm.nih.gov/1203430