Mostrando recursos 1 - 3 de 3

  1. Conceptualizing socio-hydrological drought processes: The case of the Maya collapse

    Kuil, Linda; Carr, Gemma; Viglione, Alberto; Prskawetz, Alexia; Blöschl, Günter
    With population growth, increasing water demands and climate change the need to understand the current and future pathways to water security is becoming more pressing. To contribute to addressing this challenge, we examine the link between water stress and society through socio-hydrological modeling. We conceptualize the interactions between an agricultural society with its environment in a stylized way. We apply the model to the case of the ancient Maya, a population that experienced a peak during the Classic Period (AD 600-830) and then declined during the ninth century. The hypothesis that modest drought periods played a major role in the...
    (application/pdf) - 20-dic-2017

  2. Demographic Profile of the Arab Region: Realizing the Demographic Dividend

    Goujon, Anne; Weber, Daniela; Loichinger, Elke
    The paper provides a detailed overview of population dynamics and trends in the Arab region. Furthermore, it explains the concept of demographic dividend and timing of the window of opportunity. With a view to enable countries in the region to reap the benefits of the changing population structure, the window is calculated for each country. The last part of the paper presents four case studies of countries that benefitted from their demographic dividend.
    (application/pdf) - 12-ene-2017

  3. The Role of Age and Gender in Education Expansion

    Sauer, Petra
    Using the IIASA/VID dataset of populations by age, sex and level of education, I calculate education Gini coeffients and decompose the overall degree of educational inequality into age, sex and within-group components. I analyze the relative relevance of these components for inequality reduction and investigate the distributional outcomes of education expansion. I find that, on average, equalization between males and females, younger and older cohorts as well as within these subgroups of the population has significantly contributed to declining educational inequality over the observed sample period around the globe. But the relative role of these components fluctuates in the process of education...
    (application/pdf) - 18-oct-2016

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