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Population Ageing and Australia's Future
\"This volume provides evidence from many of Australia’s leading scholars from a range of social science disciplines to support policies that address challenges presented by Australia’s ageing population. It builds on presentations made to the 2014 Symposium of the Academy of the Social Sciences in Australia. The material is in four parts: Perspectives on Ageing; Population Ageing: Global, regional and Australian perspectives; Improving Health and Wellbeing; Responses by Government and Families/Individuals. ‘The Academy of the Social Sciences in Australia sees this volume as a major contribution to improving our understanding of Australia’s population ageing. Social science research in this area truly underpins our ability as a nation to manage such demographic change, and its consequences for the economy and society. Such knowledge helps ensure that our citizens can live even better lives.’ — Glenn Withers, President, ASSA\"
eBook
Maximum Canada : why 35 million Canadians are not enough
\"Award-winning author and Globe and Mail feature columnist Doug Saunders argues we need 100 million Canadians if we're to outgrow our colonial past and build a safer, greener, more prosperous future. It would shock most Canadians to learn that before 1967, more people have fled this country than immigrated to it. That was no accident. Long after we ceased to be an actual colony, our economic policies and social tendencies kept us poorly connected to the outside world, attracting few of the people and building few of the institutions needed to sustain us. Canada has a history of underpopulation, and its effects are still being felt. Post-1967, a new Canada emerged. The closed, colonial idea of Canada gave way to an open, pluralist and connected vision. At Canada's 150th anniversary, that open vision has become a fragile consensus across major parties and cultures. Yet support for a closed Canada remains influential. In a rare and bold vision for Canada's future, Maximum Canada proposes a most audacious way forward: To avoid global obscurity and create lasting prosperity, to build equality and reconciliation of indigenous and regional divides, and to ensure economic and ecological sustainability, Canada needs to triple its population--and this can be done without a large immigration increase.\"-- Provided by publisher.
Book
How Population Change Will Transform Our World
In How Population Will Transform Our World, Sarah Harper looks at fertility rates and age structures of populations in different regions of the world against the backdrop of urbanization and climate change, drawing out the profound implications and challenges for societies, economies, and the environment in the decades to come.
eBook
DEMOGRAPHIC FORECASTS AND VOLATILITY OF INVESTMENT RATES VS. LABOR PRODUCTIVITY TRAJECTORIES
In the article the authors attempted to develop the neoclassical model of economic growth, repealing two assumptions regarding the Solow growth model. First of all, the authors assume that the growth path of the number of employees is increasing asymptotically to a fixed value, not to infinity as in the Solow model. The growth paths of the number of employees were determined based on demographic forecasts and the economic activity coefficient, which in the paper is understood as the ratio of the number of employees to the number of people. Secondly, the authors repeal the assumption of a fixed investment rate by taking into account the trend of changes in investment rates (a growing or declining trend). The theoretical model obtained was subjected to calibration and then numerical simulations were carried out. It was assumed that investment rates in the Polish economy decrease (from 25 to 15%) or grow (from 15 to 25%). Numerical simulations were based on demographic forecasts for the Polish economy up to 2050. Moreover, two scenarios for shaping the economic activity coefficient were considered: realistic one when in the period 2000-2050 it increased from 0.38 to 0.5. In the second scenario, it was optimistic that the increase would be 50% higher than in the first option and in 2050 it would reach 0.56. Important conclusions from the study can be presented as follows: (i) the population decline can be offset by the growing economic activity rate and therefore does not have a negative impact on economic growth, (ii) the negative impact of demographic changes on economic growth can also be offset by growing investment rates.
Journal Article
Demography and Population Projection of ITetranychus urticae/I Colonized by Entomopathogenic Fungal Endophytes
The two-spotted spider mite Tetranychus urticae and its interactions with fungi, notably Beauveria bassiana, on common bean plants were the main subjects of this study. The mite’s life cycle on untreated and endophyte-colonized plants was examined using the age-stage, two-sex life table hypothesis. The findings indicated that mites reared on untreated plants had shorter developmental stages and higher fecundity than those on colonized plants. Furthermore, mites on untreated plants displayed a higher intrinsic rate of increase and net reproductive rate. The study also revealed that fungal endophyte colonization negatively affected mite growth, adult lifespan, fecundity, reproductive rate, and the intrinsic rate of increase. The findings point to a possible application of entomopathogenic fungal endophytes in host plant resistance programs for future integrated pest control. Tetranychus urticae is a highly polyphagous and global pest. Spider mites primarily feed on the underside of leaves, resulting in decreased photosynthesis, nutritional loss, and the development of chlorotic patches. We investigated the life tables of the two-spotted spider mite T. urticae on fungal endophyte Beauveria bassiana colonized and untreated plants of the common Phaseolus vulgaris L., a bean plant. Based on the age-stage, two-sex life table theory, data were evaluated. The mites raised on untreated plants had protonymphs, deutonymphs, and total pre-adult stage durations that were considerably shorter (1.76, 2.14, and 9.77 d, respectively) than the mites raised on plants that had been colonized (2.02, 2.45, and 10.49 d, respectively). The fecundity (F) varied from 28.01 eggs per female of colonized plants to 57.67 eggs per female of endophyte-untreated plants. The net reproductive rate (R[sub.0] ) in the plants with and without endophytes was 19.26 and 42.53 brood, respectively. The untreated plants had an intrinsic rate of increase (rm) of 0.245 days as opposed to the colonized plants, which had an r of 0.196 days and a finite rate of increase (λ) (1.27 and 1.21, respectively). Population forecasts based on a two-sex, age-stage life table demonstrated the dynamism and variability of the stage structure. Furthermore, the colonization of B. bassiana had a negative impact on the growth and development of T. urticae. It lowered the adult mite life span, female fecundity, net reproduction rate, and intrinsic growth rate. We propose that future research should better use entomopathogenic fungal endophytes to understand host plant resistance strategies in integrated pest management.
Journal Article
Does large volatility help?—stochastic population forecasting technology in explaining real estate price process
This paper investigates the association between real estate demand and the volatility of population changes. In a financial liberalized housing market, the housing mortgage loan implies insurance function to homeowners through the default option. Larger expected volatilities in the population imply a higher value of the default option. When analyzing the impact of the long-term population development on housing prices, the traditional deterministic population forecasting employed by previous research provides limited credibility. By means of the newly developed stochastic population forecasting methodology and counterfactual numerical simulations, we found a huge volatility associated with long-term population forecasting. A positive correlation between the expected volatility of population changes and real estate demand is ascertained.
Journal Article
Cities Transformed
Virtually all of the growth in the worlds population for the foreseeable future will take place in the cities and towns of the developing world. Over the next twenty years, most developing countries will for the first time become more urban than rural. The benefits from urbanization cannot be overlooked, but the speed and sheer scale of this transformation present many challenges. A new cast of policy makers is emerging to take up the many responsibilities of urban governance\"as many national governments decentralize and devolve their functions, programs in poverty, health, education, and public services are increasingly being deposited in the hands of untested municipal and regional governments. Demographers have been surprisingly slow to devote attention to the implications of the urban transformation.Drawing from a wide variety of data sources, many of them previously inaccessible, Cities Transformed explores the implications of various urban contexts for marriage, fertility, health, schooling, and childrens lives. It should be of interest to all involved in city-level research, policy, planning, and investment decisions.
eBook