426 research outputs found
International Diversification of the Lower 400 Firms of the S&P 500 Index
E. Tylor Claggett, Ph.D., CFA, is professor of finance at Salisbury University in Salidsby, MD 21801-6860. He also serves as the director of the Financial Planning track within the Department of Economics and Finance of the Perdue School of Business.
Danny M. Ervin, Ph.D., is associate professor of finance at Salisbury University in Salisbury, MD 21801-6820. He also serves as the director so the Shore Energy Center within the Department of Economics and Finance of the Perdue School of Business
A Note on International Business Growth in U.S. Multinational Firms
E. Tylor Claggett, Jr., CFA., is associate professor of finance, Franklin P. Perdue School of Business, Salisbury University, Salisbury, MD 21801.
J.R. Stutzman is an associate professor of finance, Department of Finance and Economics, Southwest Texas State University, San Marcos, TX 78666
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The F220C and F45L rhodopsin mutations identified in retinitis pigmentosa patients do not cause pathology in mice.
Retinitis pigmentosa is a retinal degenerative disease that leads to blindness through photoreceptor loss. Rhodopsin is the most frequently mutated protein in this disease. While many rhodopsin mutations have well-understood consequences that lead to cell death, the disease association of several rhodopsin mutations identified in retinitis pigmentosa patients, including F220C and F45L, has been disputed. In this study, we generated two knockin mouse lines bearing each of these mutations. We did not observe any photoreceptor degeneration in either heterozygous or homozygous animals of either line. F220C mice exhibited minor disruptions of photoreceptor outer segment dimensions without any mislocalization of outer segment proteins, whereas photoreceptors of F45L mice were normal. Suction electrode recordings from individual photoreceptors of both mutant lines showed normal flash sensitivity and photoresponse kinetics. Taken together, these data suggest that neither the F220C nor F45L mutation has pathological consequences in mice and, therefore, may not be causative of retinitis pigmentosa in humans
The value of diversity in cognitive science
A recent article (NĂșñez et al., 2019) claims that cognitive science, while starting off as a multidisciplinary enterprise, has âfailed to transition to a mature interâdisciplinary coherent field.â Two indicators reported in support of this claim target one of the two journals of the Cognitive Science Society, Cognitive Science , depicting cognitive science as an increasingly monodisciplinary subfield which is dominated by psychology. With a focus on the society's other journal, Topics in Cognitive Science , the present commentary reveals a greater degree of interdisciplinarity and discusses the relative values of diversity and integration for the field.publishedVersio
On Distribution Grid Optimal Power Flow Development and Integration
Due to changes in electric distribution grid operation, new operation regimes
have been recommended. Distribution grid optimal power flow (DOPF) has received
tremendous attention in the research community, yet it has not been fully
adopted across the utility industry. Our paper recognizes this problem and
suggests a development and integration procedure for DOPF. We propose
development of DOPF as a three step procedure of 1) processing the grid, 2)
obtaining a tractable solution, and 3) implementing multiple solution
algorithms and benchmarking them to improve application reliability. For the
integration of DOPF, we demonstrate how a DOPF federate may be developed that
can be integrated in a co-simulation environment to mimic the real-world
conditions and hence improve its practicality to be deployed in the field. To
demonstrate the efficacy of the proposed methods, tests on IEEE 123-bus system
are performed where the usage of tractable formulation in DOPF algorithm
development and its comparison to the benchmark solution are demonstrated
âRE/TRSâ is a Girlâs Subject: Talking about Gender and the Discourse of âReligionâ in UK Educational Spaces
This article addresses what appears to be a retrenchment into narrower forms of identification and an increased suspicion of difference in the context of educational policy in the UK – especially in relation to ‘Religious Education’. The adoption of standardized management protocols – ‘managerialism’ – across most if not all policy contexts including public educational spaces reduces spaces for encountering or addressing genuine difference and for discovering something new and different. A theory of the ‘feminization of religion’ associated historically with Barbara Welter, provides some useful insights as to why this might be, suggesting that those in British society who would prefer to see greater separation from ‘religion’ in ‘secular’ schools may well also be caught up in forms of gender stereotyping
Primordialists and Constructionists: a typology of theories of religion
This article adopts categories from nationalism theory to classify theories of religion. Primordialist explanations are grounded in evolutionary psychology and emphasize the innate human demand for religion. Primordialists predict that religion does not decline in the modern era but will endure in perpetuity. Constructionist theories argue that religious demand is a human construct. Modernity initially energizes religion, but subsequently undermines it. Unpacking these ideal types is necessary in order to describe actual theorists of religion. Three distinctions within primordialism and constructionism are relevant. Namely those distinguishing: a) materialist from symbolist forms of constructionism; b) theories of origins from those pertaining to the reproduction of religion; and c) within reproduction, between theories of religious persistence and secularization. This typology helps to make sense of theories of religion by classifying them on the basis of their causal mechanisms, chronology and effects. In so doing, it opens up new sightlines for theory and research
Astrocladistics of the Jovian Trojan swarms
The Jovian Trojans are two swarms of small objects that share Jupiter's orbit, clustered around the leading and trailing Lagrange points, L4 and L5. In this work, we investigate the Jovian Trojan population using the technique of astrocladistics, an adaptation of the 'tree of life' approach used in biology. We combine colour data from WISE, SDSS, Gaia DR2, and MOVIS surveys with knowledge of the physical and orbital characteristics of the Trojans, to generate a classification tree composed of clans with distinctive characteristics. We identify 48 clans, indicating groups of objects that possibly share a common origin. Amongst these are several that contain members of the known collisional families, though our work identifies subtleties in that classification that bear future investigation. Our clans are often broken into subclans, and most can be grouped into 10 superclans, reflecting the hierarchical nature of the population. Outcomes from this project include the identification of several high priority objects for additional observations and as well as providing context for the objects to be visited by the forthcoming Lucy mission. Our results demonstrate the ability of astrocladistics to classify multiple large and heterogeneous composite survey data sets into groupings useful for studies of the origins and evolution of our Solar system
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