Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"demographic structure"”.
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Demographic Change, Social Security, and Lifetime Decision Making
… I build a two period OLG model with a realistic demographic structure, an endogenous retirement age, a state dependent utility from consumption specification, a unique and intuitive disutility of labor function, and a pay as you go (PAYG) social security system to investigate the impact of …
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MODELING THE DYNAMICS OF INFECTIOUS DISEASES WITH Latency IN SPATIALLY HETEROGENEOUS Environments
… considers a 2-patch environment and ignores the demographic structure. The model is given by a system of delay differential equations (DDEs). It is a generalization of the classical Kermack-McKendrick SIR model, and it preserves some properties that the Kermack-McKendrick model processes. We show …
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Kontraurbanizace v Karlovarském kraji v letech 2007-2021
… The analysis also includes an examination of the demographic structure of counterurban migrants. Keywords: counterurbanization, countryside, in-migration, Karlovy Vary Region, age structure
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Population change and socio-economic development in Zimbabwe
… attempts to apply this theory in relation to the demographic development of Zimbabwe. The thesis postulates that socio-economic differentials within Zimbabwe are sufficiently pronounced as to begin to affect the demographic structure of the country. It is with this in mind that three objectives …
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Evolutionary demography of structured two-sex populations and sex ratios
… fertility, or mating availability. These demographic differences, in turn, affect population growth rates, equilibrium structure, and evolutionary trajectories. Models considering only a single sex cannot capture these effects, motivating the use of demographic two-sex models for sexually …
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Population dynamics and succession strategies of rural industry producers
… in Australia’s sheep industry by describing the demographic structure of the industry, documenting the structural changes and questioning whether the changes actually matter. The work involved demographic analysis of data from recent censuses of population and housing and in-depth interviews with …
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Evolutionary demography of structured two-sex populations and sex ratios
… fertility, or mating availability. These demographic differences, in turn, affect population growth rates, equilibrium structure, and evolutionary trajectories. Models considering only a single sex cannot capture these effects, motivating the use of demographic two-sex models for sexually …
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Orkney's first farmers. Reconstructing biographies from osteological analysis to gain insights into life and society in a Neolithic community on the edge of Atlantic Europe
… for, and develop models of Neolithic life. The demographic structure indicates that twice as many adult males were deposited as females. Few young infants were in the assemblage but disproportionately many older children and young adults. Stable light isotope analysis suggested age and …
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Patterns of recruitment, growth and mortality of the mussel, Mytilus Galloprovincialis in relation to wave exposure and tidal elevation
… bay at Groenrivier was most dissimilar in both demographic structure and density to all other sites. Bibliography: leave 89-99.
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Multidimensional and Persistent Poverty: Methodological Approaches to Measurement Issues
… First, it evaluates the effect of different demographic population structures on societal multidimensional deprivation incidence comparisons. The results of this evaluation demonstrate that societal multidimensional comparisons reflect not only differences in relative deprivation but also …
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Determinants of the spatial dynamics of housing prices in Chengdu, China, 2005-2010
… found from the Level Model that economic and demographic characteristics, which are representations of urban economic growth, industrial restructuring and demographic transformation, are also significant determinants that have been capitalized into housing unit price at various levels. In a …
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Capturing the impacts of land use on travel behavior : comparison of modeling approaches
… behavior in Santiago de Chile to understand how demographic structure, neighborhood design, and regional accessibility influence travel behavior as measured through emitted grams of five criteria pollutants (C0 2, VOCs, PM10, CO and NO,). To answer this question, two different modeling techniques …
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Ecological niche responses of small mammals to gypsy moth disturbance
… determine differences in small mammal assemblage structure and population dynamics among four oak dominated sites at four different stages of gypsy moth disturbance: a high tree mortality site, a disturbance in process site, a disturbance recovery site, and an undisturbed reference site. More …
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The epidemiology of Lagos bat virus and henipaviruses in straw-coloured fruit bats (Eidolon helvum), using population genetics to infer population connectivity
… was used to understand the ways in which the structure and dynamics of fruit bat populations across Africa may affect the viral transmission dynamics within them. Given recent difficulties in using electronic positioning systems on E. helvum to track movement, genetic methods were proposed as …
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ESPRESSIONE DI SEL1L NEL CARCINOMA MAMMARIO - CORRELAZIONI CLINICO PATOLOGICHE
… European patients probably reflects the young demographic structure of the Sudanese population, the lack of breast cancer prevention, the extreme rarity of healthcare centres able to treat breast cancer and, possibly, the influence of socio-cultural and logistic factors which could limit travel …
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A liquid consumption survey of individuals in greater Cape Town
… were representative of the socio-economic and demographic structure of greater Cape Town. Three pretested types questionnaires were administered by trained interviewers: (i) a placement questionnaire to describe the household composition, (ii) a recall questionnaire for individual adults and …
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Immigrant inflows and public goods provision
… passed since 2005, focusing on a district's demographic structure. To accomplish this, I compile a novel dataset of legislative-district-level characteristics and match these data to votes on individual bills from each state's house of representatives and senate. I show that districts with a …
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Population Demographics And Active Foraging Behavior Of Copperheads (Agkistrodon Contortrix) At A Recreational Site In Eastern Kentucky
… data were used to 1) describe the demographic structure of the population and 2) construct models that quantify the probability of apparent survival (S) and recapture (p) as it related to snake sex and weight. In addition, copperhead foraging behavior was closely observed in order …
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THINKING MAKING AND LIVING ARCHITECTURE IN AN AGEING SOCIETY. THE TYPOLOGICAL PROBLEM IN CONTEMPORARY CULTURE AS AN INSTRUMENT OF SOCIAL INCLUSION FOR PEOPLE LIVING WELL WITH DEMENTIA
… is represented by people living longer. This new demographic structure creates a number of societal challenges. One such challenge is that living longer and becoming old increases the likelihood of acquiring long-term conditions such as dementia. Another challenge is with the difficulties in …
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Dynamic behavior of phytoplankton populations far from steady state : chemostat experiments and mathematical modeling
… behavior is predictable. In this context, the demographic structure of a population plays a decisive role since it originates from processes of growth and mortality. These processes are fundamentally influenced by the environment. But, how exactly does the environment influence the behavior of …
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