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11.
In the study of risks
, different sciences use the same category in different ways, each related to its own ontological assumptions. But many of
these fields communicate very little with one another. This article seeks to approximate two of these areas of study that
have shown similar concerns and that can mutually strengthen one another, namely, geography and demography. Geography was
one of the first disciplines to include risk in its environmental dimension and has had broad experience in simultaneously
focusing on social and natural dynamics. Demography, on the other hand, faces greater difficulties because only recently has
it incorporated the environmental dimension into its scientific scope. Both have brought the concept of vulnerability into
their conceptual framework as complementary to that of risk. Geographers understand vulnerability as a more symbiotic form
of the relationship between society and nature, whereas demographers give it a strong socioeconomic component. In this regard,
the conceptual discussion on risks and vulnerabilities, in its attempt at approximating these two fields, is a way of conceptually
advancing and strengthening the different approaches to empirical work, especially in population–environment studies which
is the common ground for the dialogue between the two disciplines.
相似文献
Daniel Joseph HoganEmail: |
12.
In this paper, we discuss some theoretical results and properties of the discrete Weibull distribution, which was introduced by Nakagawa and Osaki [The discrete Weibull distribution. IEEE Trans Reliab. 1975;24:300–301]. We study the monotonicity of the probability mass, survival and hazard functions. Moreover, reliability, moments, p-quantiles, entropies and order statistics are also studied. We consider likelihood-based methods to estimate the model parameters based on complete and censored samples, and to derive confidence intervals. We also consider two additional methods to estimate the model parameters. The uniqueness of the maximum likelihood estimate of one of the parameters that index the discrete Weibull model is discussed. Numerical evaluation of the considered model is performed by Monte Carlo simulations. For illustrative purposes, two real data sets are analyzed. 相似文献
13.
Serra Sónia R. Q. Calapez Ana Raquel Simões Nuno Eduardo Sá Marques José A. A. Laranjo Maria Feio Maria João 《Urban Ecosystems》2019,22(6):1173-1186
Urban Ecosystems - Urban streams provide important ecosystem services to cities’ population, from the maintenance of urban biodiversity, temperature, humidity and air quality to improving... 相似文献
14.
Ninive Sanchez Alexander Norka Megan Corbin Clark Peters 《Journal of Social Work Education》2019,55(1):75-88
This study discusses the use of experiential learning, reflective writing, and metacognition to develop cultural humility among undergraduate students enrolled in a social and economic justice course. Students participated in an activity that challenged them to learn about people who may have different social identities and experiences from their own such as attending a service in a religion different from their own. Then students wrote a reflective essay in which they used the margin of the paper as a safe space to write anything that came to mind during the writing process. A thematic analysis of students’ comments suggests that students used the space to examine their emotions, seek understanding of self and others, and recognize their privilege. 相似文献
15.
The concept of lean product development has attracted the attention of many scholars since its inception in the 1990s derived from practices at Toyota Motor Company. Key to this approach to new product development (NPD) are a few methods derived from lean production as well as longer established practices such as concurrent engineering. This makes one wonder whether lean product development is a new practice, a new method or an encapsulation of already existing methods at the time; this quest for the roots and tenets of lean product development, also in comparison with other methods for NPD, is the focus of this paper. This journey takes this propositional paper not only to the roots of lean product development and the context of its era of conception, but also to what this concept adds to other extant methods for NPD. In particular, this comparison draws out that other methods are trying to achieve the same objectives: the creation of products and services with value to the customer, the reduction of time‐to‐market and the efficient use of resources. This inference implies that managers of new product (and service) development can choose from a wider pallet of methods and approaches to enhance the performance of R&D and to connect better to manufacturing (including supply chains). Inevitably, this has implications for research on (lean) product and service development; hence, this paper sets out a research agenda based on the deliberations and gaps that have been uncovered in the discourse. 相似文献
16.
Luciano Rossoni Cezar Eduardo Aranha Wesley Mendes-Da-Silva 《Journal of Management and Governance》2018,22(1):153-185
Based on theories of social capital, in this study, we seek to assess the impact of a board’s social capital on the market value of companies listed on the Brazilian stock exchange. As our indicator of social capital, we use the relational resources identified in the direct, indirect and heterogeneous ties of the board. Employing panel data from 508 observations, our results indicate that heterogeneous relational resources have a stronger and more significant influence than the resources available from board members’ direct relationships. Additionally, as the effects of board interlock are endogenously determined by several factors related to the firm level, we seek to mitigate the endogeneity problem using models of instrumental variables and simultaneous equations. Our hypotheses were consistent after controlling for endogeneity. We also check whether the board’s social capital could present a U-inverted effect on the market value. This relationship was only plausible in social capital by indirect ties. Finally, we isolate the effect of relational resources within and between industries on Tobin’s Q. There was no significant effect through interlocks within the same industry. However, ties with companies in several other industries were significant. 相似文献
17.
Eduardo Restrepo 《Cultural Studies》2018,32(3):460-476
ABSTRACTThis article examines the terms that shape the notion of ethnic group for black communities. This notion allows one to understand the singularity of Colombia’s turn to multiculturalism in the 1990s, and how it has impacted the political and theoretical imaginations of cultural otherness. I will argue that this shift to multiculturalism has not meant the disappearance of the talks and disputes of racism and the beginning of a kind of ‘post-racial’ social formation. On the contrary, old and new forms of talk and disputes of racism could be traced after this shift to multiculturalism, not only in relation to the dense legislation for the recognition of black communities as ethnic groups, but also in regard to other realms such as social media, activist struggles and academic paradigms. 相似文献
18.
Thomas M. Philip Danny C. Martinez Eduardo Lopez Antero Garcia 《Race Ethnicity and Education》2016,19(1):182-199
Based on a two-year self-study by a group of early-career scholars of color, we explore and purposefully name our role, within the contemporary context of neoliberal reform, as educational researchers of color who are former K-12 teachers. We capture the insights that emerged from our self-study through a close reading of dominant neoliberal educational reform discourses, particularly through an examination of the writings of Michelle Rhee and Wendy Kopp. Along three dimensions of: (1) experience as teachers; (2) solidarity with teachers; and (3) analyses of racism in schooling, we characterize prominent discourses through which educators, researchers, and the public describe teachers and teaching. We name these discursive frames to make explicit the assumptions that are embedded in each and the intentional or inadvertent consequences of each. Finally, we propose a teacher solidarity lens through which we strive to approach our research and work with teachers. 相似文献
19.
The arrival in Portugal of recent migrants from the Indian subcontinent is normally a secondary movement from within Europe tied to the search for a regular pathway into legal integration in the EU. However, as favourable migration policy is not paired with easy economic integration onward migration is common. We argue that such complex migration strategies cannot be amply explored through an origin–destination model; instead we suggest that a translocal perspective provides a framework to examine connections and experiences of emplacement in places of passage/reception like Lisbon. Through a qualitative study of the migration journeys and emplaced practices of Punjabi migrants in Lisbon, our findings highlight relationality between multiple scales, elucidating how agency and structure interact at micro and macro levels in shaping migration experiences and outcomes. We show how the materiality of local community structures ensures the navigation of daily life in the city and provides pathways toward legality contributing to wider mobility regimes. Moreover, we illustrate how onward migration represents an individual strategy to realise different aspects of integration in other EU destinations challenging nation-state-bound understandings of citizenship/settlement and integration. 相似文献
20.