352 research outputs found

    ERISA and Divorce: A Complex Marriage

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    The Relative Importance of Search versus Credence Product Attributes: Organic and Locally Grown

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    Organic foods and local foods have come to the forefront of consumer issues, due to concerns about nutrition, health, sustainability, and food safety. A conjoint analysis experiment quantified the relative importance of, and trade-offs between, apple search and experience attributes (quality/blemishes, size, flavor), credence attributes (conventional vs. organic production method, local origin vs. product of USA vs. imported), and purchase price when buying apples. Quality is the most important apple attribute. Production method—organic versus conventional—had no significant impact on preferences.conjoint analysis, organic, locally grown, credence attributes, Consumer/Household Economics, Food Consumption/Nutrition/Food Safety, Marketing,

    Applying choice based conjoint measurement to forcast demand for a new restaurant category

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    This paper examines the use of Choice Based Conjointexperimentation for forecasting demand for a new restaurant category.The results of the forecasting experiment are compared to demand forexisting restaurant categories to determine whether the choice experimentreplicates actual category shares in the sampled region. The analysisshows that Choice Based Conjoint experiments are able to predictcategory shares for existing restaurant categories. It is then shown howthe approach may be used to estimate demand for a new category

    Price differentials for slaughter hogs

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    Price differentials mean the difference or spread between two related series of prices. This bulletin reports on two types of differentials: (1 ) market differentials, the difference in the price of hogs of the same weight and grade between specific markets; (2 ) weight differentials, the difference in the price of hogs of different weights, usually of comparable grades, at the same market. Both market differentials and weight differentials may change from one period to another. The study of price differentials for slaughter hogs will aid in choosing among several available markets the most profitable place to sell each weight and grade of hogs. The study will also show the time of the year when prices are likely to be highest for different weights of hogs

    RBPJ Mutations Identified in Two Families Affected by Adams-Oliver Syndrome

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    Through exome resequencing, we identified two unique mutations in recombination signal binding protein for immunoglobulin kappa J (RBPJ) in two independent families affected by Adams-Oliver syndrome (AOS), a rare multiple-malformation disorder consisting primarily of aplasia cutis congenita of the vertex scalp and transverse terminal limb defects. These identified mutations link RBPJ, the primary transcriptional regulator for the Notch pathway, with AOS, a human genetic disorder. Functional assays confirmed impaired DNA binding of mutated RBPJ, placing it among other notch-pathway proteins altered in human genetic syndromes

    The North American Cordilleran Anatectic Belt

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    The North American Cordilleran Anatectic Belt (CAB) is a ~3,000 km long region in the hinterland of the Cordillera that comprises numerous exposures of Late Cretaceous to Eocene intrusive rocks and anatectic rocks associated with crustal melting. As such, it is comparable in size and volume to major anatectic provinces including the Himalayan leucogranite belt. The CAB rocks are chiefly peraluminous, muscovite-bearing leucogranite produced primarily by anatexis of Proterozoic to Archean metasedimentary rocks. The CAB rocks lack extrusive equivalents and were typically emplaced as thick sheets, laccoliths, and dike/sill complexes. The extent, location, and age of the CAB suggests that it is integral to understanding the tectonic evolution of North America, however, the belt is rarely considered as a whole. This paper reviews localities associated with crustal melting in the CAB and compiles geochemical, geochronologic, and isotopic data to evaluate the melt conditions and processes that generated these rocks. The geochemistry and partial melting temperatures (ca. 675–775 °C) support water-absent muscovite dehydration melting and/or water-deficient melting as the primary melt reactions and are generally inconsistent with water-excess melting and high-temperature (biotite to amphibole) dehydration melting. The CAB rocks are oldest in the central U.S. Cordillera and become younger towards both the north and south. At any single location, partial melting appears to have been a protracted process (≥10 Myr) and evidence for re-melting and remobilization of magmas is common. End-member hypotheses for the origin of the CAB include decompression, crustal thickening, fluid-flux melting, and increased heat flux from the mantle. Different parts of the CAB support different hypotheses and no single model may be able to explain the entirety of the anatectic event. Regardless, the CAB is a distinct component of the Cordilleran orogenic system

    A Joint Search for Gravitational Wave Bursts with AURIGA and LIGO

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    The first simultaneous operation of the AURIGA detector and the LIGO observatory was an opportunity to explore real data, joint analysis methods between two very different types of gravitational wave detectors: resonant bars and interferometers. This paper describes a coincident gravitational wave burst search, where data from the LIGO interferometers are cross-correlated at the time of AURIGA candidate events to identify coherent transients. The analysis pipeline is tuned with two thresholds, on the signal-to-noise ratio of AURIGA candidate events and on the significance of the cross-correlation test in LIGO. The false alarm rate is estimated by introducing time shifts between data sets and the network detection efficiency is measured with simulated signals with power in the narrower AURIGA band. In the absence of a detection, we discuss how to set an upper limit on the rate of gravitational waves and to interpret it according to different source models. Due to the short amount of analyzed data and to the high rate of non-Gaussian transients in the detectors noise at the time, the relevance of this study is methodological: this was the first joint search for gravitational wave bursts among detectors with such different spectral sensitivity and the first opportunity for the resonant and interferometric communities to unify languages and techniques in the pursuit of their common goal.Comment: 18 pages, IOP, 12 EPS figure

    The Productivity of Care: Contextualizing Care in Situated Interaction and Shedding Light on its Latent Purposes

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    This is an Accepted Manuscript of an article published by Taylor & Francis in Ethics and Social Welfare on 27th May 2011, available online: http://wwww.tandfonline.com/10.1080/17496535.2011.571063Care work may be connected with emotional and psychological exhaustion but also gratification, reward, and self-empowerment. Caregivers experience both positive and negative emotional states in caring situations, and further studies on the rewarding and energizing aspects of care may help us to broaden our understanding of how we can reduce the degree of burden while increasing the sense of satisfaction. This article shows how the focus on emotion is a necessary step to show the ambivalences and the grey areas connected with the concept of care as well as to challenge the not fully explored assumption that care is often associated with burden and stress and viewed as a result of circumstances. It reports the findings of a micro-situated study of daily care activities among 80 caregivers. Care is seen as a strategic site to grasp deeper insights into the interactional mechanisms through which the emotional dynamics revolving around care produce unanticipated outcomes in terms of symbolic and practical productivity

    A Transcription Factor Map as Revealed by a Genome-Wide Gene Expression Analysis of Whole-Blood mRNA Transcriptome in Multiple Sclerosis

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    Background: Several lines of evidence suggest that transcription factors are involved in the pathogenesis of Multiple Sclerosis (MS) but complete mapping of the whole network has been elusive. One of the reasons is that there are several clinical subtypes of MS and transcription factors that may be involved in one subtype may not be in others. We investigate the possibility that this network could be mapped using microarray technologies and contemporary bioinformatics methods on a dataset derived from whole blood in 99 untreated MS patients (36 Relapse Remitting MS, 43 Primary Progressive MS, and 20 Secondary Progressive MS) and 45 age-matched healthy controls. Methodology/Principal Findings: We have used two different analytical methodologies: a non-standard differential expression analysis and a differential co-expression analysis, which have converged on a significant number of regulatory motifs that are statistically overrepresented in genes that are either differentially expressed (or differentially co-expressed) in cases and controls (e.g., VKROXQ6,pvalue,3.31E6;VKROX_Q6, p-value ,3.31E-6; VCREBP1_Q2, p-value ,9.93E-6, V$YY1_02, p-value ,1.65E-5). Conclusions/Significance: Our analysis uncovered a network of transcription factors that potentially dysregulate several genes in MS or one or more of its disease subtypes. The most significant transcription factor motifs were for the Early Growth Response EGR/KROX family, ATF2, YY1 (Yin and Yang 1), E2F-1/DP-1 and E2F-4/DP-2 heterodimers, SOX5, and CREB and ATF families. These transcription factors are involved in early T-lymphocyte specification and commitment as well as in oligodendrocyte dedifferentiation and development, both pathways that have significant biological plausibility in MS causation
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