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151.
Diana Richards 《Social Choice and Welfare》1994,11(2):109-119
It is well known that multidimensional spatial voting can involve intransitivity and cycles, resulting in outcomes anywhere in the policy space. These results are typically referred to as the chaos theorems. In this paper, I show that the connection between non-equilibrium spatial voting and chaos is not merely semantic, but is theoretic. Using symbolic dynamics, I show that if a three-cycle intransitivity among social choices exists, then cycles of all lengths greater than three are possible. This result is then used to establish the three conditions of sensitive dependence on initial conditions, topological transitivity, and dense periodic points, demonstrating the formal connection between multidimensional spatial voting and chaotic nonlinear dynamics. 相似文献
152.
Nowadays, reverse logistics is gaining importance for many companies in different industries. This importance is rooted in the fact that it generates profit and decreases the environmental impacts of products. Even though the decrease of environmental impacts is an indispensable requisite, reverse logistics design is only driven by cost indicators. The main reason behind this high cost is access to environmental information is difficult and is directly linked to data all along the lifecycle of the product. This paper presents a method by which reverse logistics design integrates environmental impacts based on the management of closed-loop product lifecycle. This method is divided into two processes: from beginning of life to end of life and from end of life to beginning of life. The first process integrates product data in order to calculate environmental impacts of the potential reverse logistics networks, whereas the second process selects the most appropriate reverse logistics network before optimising the product based on this particular network. The proposition is illustrated by a case study on a recycled aluminium automotive part. 相似文献
153.
Just as in early psychoanalytic views of female sexual development women's sexual anatomy, psychic development, and object relations were seen relative to male norms and found wanting, in much of psychoanalytic thinking the sexual and psychic development of women in lesbian relationships are seen relative to heterosexual women and found lacking. Various etiological explanations of female homosexuality attempt to isolate a particular developmental arrest or disorder characteristic of female homosexual relations. This paper reviews the major psychoanalytic formulations of female homosexuality and discusses them in terms of two phallocentric assumptions: 1.) A woman who loves a woman must be a man, or be like a man, or must want to be a man; and 2.) A relationship between two women must always remain incomplete compared to the complementarity assumed in a heterosexual relationship. Increased understanding of the sexual desires and experience of women in lesbian relationships would contribute to expanded perspectives about female sexuality and development. The paper offers two paradigms for thinking about homosexual object choice which are not based on analogies to pathological conditions.If you don't know the kind of person I am and I don't know the kind of person you are a pattern that others made may prevail in the world and following the wrong god home we may miss our star. from A Ritual to Read to Each Other, William Stafford 相似文献
154.
Diana Bedward Devi Jankowicz Christine Rexworthy 《Human Resource Development International》2013,16(4):527-545
This article highlights some of the similarities and differences in management theory and practice between the UK and the Former Soviet Union (FSU) and Central and East European (CEE) states. It does so in the context of a debate over the appropriateness and extent of cultural dominance in knowledge transfer of theory and practice, which has occurred during the last decade, and which is still unresolved. It reviews a scheme for knowledge transfer which offered a flexible structure within which the organizers could amend their material in the light of their growing experience with the way in which the scheme operated, and whereby they might avoid some of the mistakes of cultural dominance made within other schemes offered elsewhere The Joint Industrial and Commercial Attachment Programme (JICAP), its structure, approach and some outcomes are outlined as a case example. Sponsored by the British Council to arrange visits by middle and senior managers from the post-command economies to the UK for intensive management training and work placement in an organization complementary to their home employment, JICAP was typical of the best Western thinking in management development of the time. The espousals and realities, the benefits and flaws in this approach are examined, drawing on the perceptions of the JICAP delegates themselves in terms of their personal and business development. Czarniawska's model of the travel of ideas (Czarniawska and Joerges 1996) is used as an organizing framework within which the problems of knowledge transfer, culturally dominant or maximally flexible, can be examined, and the underlying issues identified. This notion of flexibility, within which alternative perspectives can be negotiated and new meanings created, constitutes the main contribution proposed by this paper. 相似文献
155.
Claudia Castro-Kuriss Diana M. Kelmansky Elena J. Martínez 《Journal of applied statistics》2010,37(7):1193-1211
We propose a new goodness-of-fit test for normal and lognormal distributions with unknown parameters and type-II censored data. This test is a generalization of Michael's test for censored samples, which is based on the empirical distribution and a variance stabilizing transformation. We estimate the parameters of the model by using maximum likelihood and Gupta's methods. The quantiles of the distribution of the test statistic under the null hypothesis are obtained through Monte Carlo simulations. The power of the proposed test is estimated and compared to that of the Kolmogorov–Smirnov test also using simulations. The new test is more powerful than the Kolmogorov–Smirnov test in most of the studied cases. Acceptance regions for the PP, QQ and Michael's stabilized probability plots are derived, making it possible to visualize which data contribute to the decision of rejecting the null hypothesis. Finally, an illustrative example is presented. 相似文献
156.
This paper addresses a key methodological challenge in the modeling of individual poverty dynamics—the influence of measurement
error. Taking the US and Britain as case studies and building on recent research that uses latent Markov models to reduce
bias, we examine how measurement error can affect a range of important poverty estimates. Our data are taken from the British
Household Panel Survey and the US Panel Study of Income Dynamics, for working-aged adults over the period 1993–2003. For both
national samples we ask how common vulnerability to poverty was over the period in question, what the entry and exit probabilities
were for the group likely to transition into or out of poverty, and how effective redistributive programs were at protecting
those most at risk. Crucially, in answering these questions we estimate and remove the effects of error in the measurement
of poverty status. Throughout, we compare our results with estimates that do not take this error into account, and assess
the implications for understanding poverty dynamics both within and between the two countries. Our modeling strategy extends
previous research in several respects, enabling us to make stronger statements about measurement error and individual poverty
dynamics. We find that correcting for error affects conclusions in important ways: Poverty is less temporary and risks are
less widely dispersed than otherwise assumed, while cross-national differences are more pronounced. 相似文献
157.
Diana Cuy Castellanos Jeanne Holcomb 《Journal of American college health : J of ACH》2020,68(1):16-20
AbstractObjectives: The purpose of the study was to examine food insecurity in a mid-sized private Catholic university, taking into consideration students’ financial prioritization and nutrition literacy. Participants: Participants included 560 university undergraduate and graduate students in the fall of 2017. Methods: Measures assessed food insecurity, nutrition literacy, and financial prioritization. The USDA 6-question food insecurity screener and the New Vital Signs Food Label Instruments were utilized to measure food security and nutrition literacy. To measure financial priority, participants ranked nine items from highest to lowest priority. Results: Out of 560 university students, 35.8% of students were characterized as food insecure. Students who prioritized spending money on alcohol or tuition had higher odds of experiencing food insecurity. Conclusion: Prevalence of food insecurity may be as prevalent in private universities as in public universities. This warrants exploration to identify contributing factors and long-term solutions. 相似文献
158.
Are biracial people perceived more negatively than their monoracial counterparts? Across two studies, we compared ratings of warmth, competence, and minority scholarship worthiness for biracial (Study 1: Black/White, Study 2: Asian/White), White, and minority (Study 1: Black, Study 2: Asian) college applicants. Findings suggest that both biracial applicants were perceived as colder and sometimes less competent than both White and corresponding minority applicants. Moreover, biracial people were also perceived as less qualified for minority scholarships than other racial minorities, which is partially explained by penalties to warmth and competence. Study 3 shows that disclosing one's biracial identity makes biracial people vulnerable to negative feedback. Taken together, these studies suggest that biracial people who disclose their biracial identity experience bias from perceivers and may be more vulnerable to that bias because of the personal nature of racial disclosure. Findings are discussed considering the stereotype content model ( Cuddy, Fiske, & Glick, 2007 ), cultural stereotypes about biracial people ( Jackman, Wagner, & Johnson, 2001 ), and the costs of disclosing devalued identities. 相似文献
159.
In this paper we face the problem of testing the equality of two or more parameters of a multinomial distribution. We develop a likelihood ratio test and we consider an asymptotically equivalent Pearson's statistic. Moreover we develop an exact and a randomized test. Relationships between these tests are then discussed. The behaviour of these tests is studied by simulations. Results from two known tests developed for less general situations are compared to ours. 相似文献
160.
Dr. Diana Auth Prof. Dr. Simone Leiber Prof. Dr. Sigrid Leitner 《Gruppendynamik und Organisationsberatung》2011,42(2):151-162
The German welfare state supports traditionally the male breadwinner model and remunerates continuous full-time employment. Recent developments in social policy like the reform of ??Elterngeld?? (paid parental leave) and the introduction of ??Pflegezeit?? (unpaid care leave) increase the value of unpaid care work done for the family and set incentives to share care work between the partners. Thus, ??Elterngeld?? and ??Pflegezeit?? work against the gender discrimination of the German welfare state and might foster gender equity. But, the analysis shows that the steps towards gender equity are only minor. The sharing of care work, the financial autonomy of the caring parent and the reconciliation of children care and employment do not materialise sufficiently. 相似文献