Miracle-dz/UniFAR-FTUs huggingface dataset:
Business models in the mobile market as determinants of consumers’ behavioral intention.

The market for mobile applications is expanding quickly. Since this field of research is relatively unknown, research has to focus on the different elements that drive this market. This research examines the effect of four business model choices (premium, ad supported, freemium, subscriptions) on the behavioral intention of consumers in the area of mobile gaming applications. The unified theory of acceptance and use of technology serves as the underlying theory for this research.
On Deriving Vertical Air Motions from Cloud Radar Doppler Spectra

Abstract A method for deriving vertical air motions from cloud radar Doppler spectrum measurements is introduced. The method is applicable to cloud volumes containing small particles, in this case liquid droplets, which are assumed to trace vertical air motions because of their limited size. The presence of liquid droplets is confirmed using multiple ground-based remote sensors. Corrections for Doppler spectrum broadening due to turbulence, wind shear, and radar beamwidth are applied. As a result of the turbulence broadening correction, the turbulent dissipation rate can also be estimated. This retrieval is demonstrated using measurements from the Department of Energy (DOE) Atmospheric Radiation Measurement Program’s (ARM) site in Barrow, Alaska, during the Mixed-Phase Arctic Cloud Experiment (MPACE) of autumn 2004. Comparisons of the retrievals with measurements by research aircraft near Barrow indicate that, on the whole, the retrievals perform well. A small bias in vertical velocity between the retriev.
Use of incremental levels of dehydrated olive cake in lamb diets as an alternative for grazing systems in the central dryland area in Chile : The effect on carcass traits of Suffolk Down lambs

P. Pérez, F. Squella, C. Aguilar, M.J. Idalsoaga, R. Vera, M.S. Morales, M. Maino, and J.I. Egaña. 2016. Use of incremental levels of dehydrated olive cake in lamb diets as alternative for grazing systems in central dryland area in Chile. The effect on carcass traits of Suffolk Down lambs. Cien. Inv. Agr. 43(2):213-221. To evaluate increased levels of dehydrated olive cake (DOC) in lambs ration on main carcass traits, 40 Suffolk Down male lambs (75.8 ± 7.4 days of age, 24.5 ± 3.1 kg live weight) were randomly assigned to one of five treatment groups. Four experimental isoenergetic and isoproteic diets were used with different levels of DOC: 0, 16, 32 and 48%, and an un-weaned group were kept with their mothers on grazing. Lambs had 8 days of adaptation to the diets, which were gradually introduced along with good quality alfalfa hay. During 47 days of the experiment, the lambs were confined in individual pens (1.4 m2) and subsequently slaughtered at 123 ± 7 days with an average live weight of 32.56 ± 2.62 kg. The live weight at slaughter (LWS), hot carcass weight, cold carcass weight, commercial yield (CY), real dressing percentage (RDP), body components weight (blood, hide, head, legs, full and empty digestive tract, and viscera), rib eye area (REA), back fat thickness (BFT), renal pelvic fat weight, and commercial cutting yield (CCY) were recorded. Additionally, the tissue composition and its ratios were calculated from the shoulder and leg. The carcass traits, CY, RDP, and REA decreased and BFT increased with increasing amounts of DOC in the diet (P≤0.05). No significant differences (P>0.05) in CCY, tissue composition and ratios among the tissues of the shoulder and leg joints were detected. The addition of DOC to the diet did not affect the quality of the lamb carcass.
Modified sequential change point procedures based on estimating functions

Abstract: A large class of sequential change point tests are based on estimating functions where estimation is computationally efficient as (possibly numeric) optimization is restricted to an initial estimation. This includes examples as diverse as mean changes, linear or non-linear autoregressive and binary models. While the standard cumulative-sum-detector (CUSUM) has recently been considered in this general setup, we consider several modifications that have faster detection rates in particular if changes do occur late in the monitoring period. More presicely, we use three different types of detector statistics based on partial sums of a monitoring function, namely the modified moving-sum-statistic (mMOSUM), Page’s cumulativesum-statistic (Page-CUSUM) and the standard moving-sum-statistic (MOSUM). The statistics only differ in the number of observations included in the partial sum. The mMOSUM uses a bandwidth parameter which multiplicatively scales the lower bound of the moving sum. The MOSUM uses a constant bandwidth parameter, while Page-CUSUM chooses the maximum over all possible lower bounds for the partial sums. So far, the first two schemes have only been studied in a linear model, the MOSUM only for a mean change. We develop the asymptotics under the null hypothesis and alternatives under mild regularity conditions for each test statistic, which include the existing theory but also many new examples. In a simulation study we compare all four types of test procedures in terms of their size, power and run length. Additionally we illustrate their behavior by applications to exchange rate data as well as the Boston homicide data.
Market Returns and Weak-Form Efficiency: the case of the Ghana Stock Exchange

This paper examines the weak-form efficient market hypothesis (EMH) in the case of the Ghana Stock Exchange (GSE) an emerging market. Daily returns from the Databank Stock Index (DSI) over a 5-year period 1999-2004 were used for the exercise. Random walk (RW) and GARCH(1,1) models are used as the basis for our analysis. The GSE DSI returns series exhibit volatility clustering, an indication of inefficiency on the GSE. The weak-form efficient market (random walk) hypothesis was rejected for the GSE, meaning that the market is inefficient. The inefficient market has important implications for investors, both domestic and international. Knowledge of profitable arbitrage opportunities due to market predictability serves to attract investors to diversify from more efficient markets to invest on the GSE bourse to increase their returns.
Online banking adoption: an empirical analysis

Purpose – This paper aims to empirically examine the factors that affect the adoption of online banking in Vietnam. Perceived usefulness, perceived ease of use, trust and government support were examined to determine if these factors are affecting online banking adoption.Design/methodology/approach – A survey was distributed to 156 respondents in Vietnam with 103 usable samples giving a response rate of 66 percent. Data were analyzed by employing correlation and multiple regression analysis.Findings – The results showed that perceived usefulness, trust and government support all positively associated with the intention to use online banking in Vietnam. Contrary to the technology acceptance model, perceived ease of use was found to be not significant in this study.Research limitations/implications – This study was conducted in Vietnam and future research can use this model to study the adoption of online banking in other countries.Practical implications – The results allow banks' decision makers to develop.
LTH 1099 DMUS – MP – 16 / 19 Five-dimensional Nernst branes from special geometry

We construct Nernst brane solutions, that is black branes with zero entropy density in the extremal limit, of FI-gauged minimal five-dimensional supergravity coupled to an arbitrary number of vector multiplets. While the scalars take specific constant values and dynamically determine the value of the cosmological constant in terms of the FI-parameters, the metric takes the form of a boosted AdS Schwarzschild black brane. This metric can be brought to the Carter-Novotný-Horský form that has previously been observed to occur in certain limits of boosted D3-branes. By dimensional reduction to four dimensions we recover the four-dimensional Nernst branes of arXiv:1501.07863 and show how the fivedimensional lift resolves all their UV singularities. The dynamics of the compactification circle, which expands both in the UV and in the IR, plays a crucial role. At asymptotic infinity, the curvature singularity of the four-dimensional metric and the run-away behaviour of the four-dimensional scalar combine in such a way that the lifted solution becomes asymptotic to AdS5. Moreover, the existence of a finite chemical potential in four dimensions is related to fact that the compactification circle has a finite minimal value. While it is not clear immediately how to embed our solutions into string theory, we argue that the same type of dictionary as proposed for boosted D3-branes should apply, although with a lower amount of supersymmetry. 1 ar X iv :1 60 9. 05 06 2v 3 [ he pth ] 1 6 N ov 2 01 6
Spurious haloes and discreteness-driven relaxation in cosmological simulations

There is strong evidence that cosmological N-body simulations dominated by Warm Dark Matter (WDM) contain spurious or unphysical haloes, most readily apparent as regularly spaced low-mass haloes strung along filaments. We show that spurious haloes are a feature of traditional N-body simulations of cosmological structure formation models, including WDM and Cold Dark Matter (CDM) models, in which gravitational collapse proceeds in an initially anisotropic fashion, and arises naturally as a consequence of discreteness-driven relaxation. We demonstrate this using controlled N-body simulations of plane-symmetric collapse and show that spurious haloes are seeded at shell crossing by localised velocity perturbations induced by the discrete nature of the density field, and that their characteristic separation should be approximately the mean inter-particle separation of the N-body simulation, which is fixed by the mass resolution within the volume. Using cosmological N-body simulations in which particles are split into two collisionless components of fixed mass ratio, we find that the spatial distribution of the two components show signatures of discreteness-driven relaxation in their spatial distribution on both large and small scales. Adopting a spline kernel gravitational softening that is of order the comoving mean inter-particle separation helps to suppress the effect of discreteness-driven relaxation, but cannot eliminate it completely. These results provide further motivation for recent developments of new algorithms, which include, for example, revisions of the traditional N-body approach by means of spatially adaptive anistropric gravitational softenings or explicit solutions for the evolution of dark matter in phase space.
Rethinking the Concept of the Neighborhood: An Enabling or a Housing Model?

Aiming at achieving the utopian housing scheme, contemporary housing studies have exhibited an increasing interest in the concept of the neighborhood; its design, components, and relationship with the surrounding. The concept of the neighborhood, as introduced by Perry in 1929 is considered a utopian approach that seeks to create a residential community, socially and spatially, in which the sense of community as existed in pre-industrial cities prevails. It arose as one of the modern reformist approaches that appeared in response to the urban ills that characterized the modern capitalist society such as social disintegration, inequality, and injustice in resource distribution and life chances. Likewise, aiming at achieving the socio-spatial ideal, many postmodern approaches emerged to create the ideal residential community; most prominently is the movement of “New Urbanism. ” But did these utopian approaches succeed as community-housing ideals in providing appropriate housing (spatially) and realizing the sense of community (socially) at the same time? This research attempts to read critically the concept of contemporary neighborhood, particularly the movement of “New Urbanism” in terms of its ability to fulfil its aims in producing a residential coherent community, socially and spatially. It compares the production mechanisms, decision-making processes, and distribution and nature of rights in New Urbanism with the concept of residential communities in traditional Islamic built environments. It is concluded that, adopting capitalist production mechanisms characterized by centralized domination, hierarchical power structure, and lack of residents enablement, New Urbanism was no more than a spatial solution that produced residential compounds (spatially) rather than enabled communities (socially). As such, it is merely a housing scheme that failed to be qualified as a socio-spatial ideal, as targeted.
Malignant Melanoma Progression : From Normal Melanocytes to Metastatic Stage

Melanoma is a human neurocristopathy associated with developmental defects in the neural crest-derived epidermal melanocytes. At the present time, at least three hypotheses were identified that may explain melanoma aetiology, as follows: (1) a model of linear progression from differentiated melanocytes to metastatic cancer cells (2) a model involving the appearance of melanoma stemlike cells, and (3) an epigenetic progenitor model of cancer. Treating metastatic melanoma is one of the most serious challenges in the 21st century. This is justified because of a subpopulation of cells presenting a remarkable molecular heterogeneity, which is able to explain the drug resistance and the growing mortality rates worldwide. Fortunately, there are now evidences sustaining the importance of genetic, epigenetic, and metabolomic alterations as biomarkers for classification, staging, and better management of melanoma patients. To illustrate some fascinating insights in this field, the genes BRAFV600E and CTLA4 have been recognized as bona fide targets to benefit melanoma patients. Our research attempts to carefully evaluate data from the literature in order to highlight the link between a molecular disease model and the key contribution of biomarkers in treating malignant melanoma metastases.
Determinants of Adoption of Sustainable Land Management (SLM) Practices among Smallholder Farmers’ in Jeldu District, West Shewa Zone, Oromia Region, Ethiopia

Land degradation in form of soil erosion and fertility loss are ruthless problems in developing countries including Ethiopian Highlands, which have serious implications for food security and livelihoods of local farmers in particular and the nation in general. Low land productivity due to land degradation in form of soil erosion is one of the leading challenges to improving the performance of the smallholder farming system sector in Ethiopia. In this context, the adoption of Sustainable Land Management practices/ technologies is quite crucial to increase agricultural productivity, ensure food security and improve the livelihoods of smallholder farmers. Farmers recommend various SLM practices/technologies for sustainable implementation, but adoption of such agricultural land management practices/ technologies is still very low. There is no clear understanding of the problems encountered by farmers in the adoption of recommended SLM practices/ technologies. Therefore, the main purpose of this study was to assess the socio-economic, institutional, psychological and biophysical determinant factors that influence adoption of SLM practices/technologies among smallholder farmers in Jeldu district in West Shewa zone. Primary data were collected through household questionnaires surveys, focus group discussions, key informants interviews and personal observations while secondary data were collected from relevant local authority reports and records. A total of 224 households were interviewed. Both Descriptive statistics, binary logistic regression model were used to analyze the data. The computed independent T-test for the mean income difference was statistically highly significance between adopters and non-adopters, suggesting that adopters were in better-off position to improve their livelihood. From the 18 explanatory variables entered into the model, 14 variables were found to be statistically significant at less than 5 to 10% probability levels. These are education level of the household head, farm size, perception of land degradation ,effectiveness of SLM practices, frequency of development agent contact and livestock ownership significantly positively affect adoption o land management practices while distance to market affects it negatively at less 10% probability levels. Planners and policy makers should formulate appropriate policies and programs considering the farmers’ interest, capacity, and limitation in promoting improved soil conservation technology for greater acceptance and adoption by the farmer. Keywords: Sustainable Land Management Practices, Adoption, Smallholder Farmers’.
Testing for lack of dependence in the functional linear model

The authors consider the linear model Yn = ψXn + ϵn relating a functional response with explanatory variables. They propose a simple test of the nullity of ψ based on the principal component decomposition. The limiting distribution of their test statistic is chi‐squared, but this distribution is also an excellent approximation in finite samples. The authors illustrate their method using data from terrestrial magnetic observatories.
Measuring financial performance using new liquidity indices

Article history: Received March 2 2014 Accepted 29 July 2014 Available online August 2 2014 Performance measurement has been considered as one of the most important subjects in accounting through separating management from ownership as well as emergence of the agency theory. The purpose of this paper is to investigate the role of new liquidity indices in evaluating of the financial performance. In the direction of realizing the research’s purposes, 4 hypotheses examine the relationships between new liquidity indices and firm’s financial performance. Using some linear regression techniques with some panel data, the study examines various hypotheses of this survey. The research’s statistical sample includes 67 firms over the period 2006-2011. Analysis of the hypotheses shows that hypotheses associated with comprehensive liquidity index have been supported. In addition, there are significant differences in financial performance in different industries. © 2014 Growing Science Ltd. All rights reserved.
ECONOMIC VIABILITY OF LASER METAL DEPOSITION

Reports on large economic savings using Additive Manufacturing (AM) has been found in literature when exploiting the positive capabilities of AM. This paper evaluates the economic potential of, the AM method, laser metal deposition (LMD) in production of add-on features compared to conventional manufacturing methods. This is done by theoretical case studies, which explore factors critical to the cost of manufacturing a jet engine flange. LMD has the potential to be an economical viable alternative to conventional manufacturing methods when the manufactured component has a high buy-to-fly ratio, the component is small and complex, if the operator time can be kept to a minimum, and/or when the design freedom of LMD can be capitalized into lighter and more efficient components.
Turbulent flow and drag over fixed two‐ and three‐dimensional dunes

[1] Detailed measurements of turbulent flow were obtained over a fixed flat bed, two-dimensional (2-D) dunes and four types of three-dimensional (3-D) dune morphologies including (1) full width saddles, (2) full width lobes, (3) sinuous crests, and (4) irregular shaped crests. The time-averaged turbulence structure over the fixed flat bed was dynamically similar to flow over a flat bed with active sediment transport. The flow field over 2-D dunes conforms with previous observations of flow over mobile and fixed bed forms. Bed form three dimensionality significantly altered the flow field observed over the 2-D dunes. Lobe-shaped dune crest lines, curved crests with topographic highs that bowed downstream, enhanced the level of turbulence producing a better defined wake structure and more vigorous mixing in the separation cell than observed over 2-D dunes. Saddle-shaped dune crest lines, curved crests with topographic highs that bowed upstream, diminished the level of turbulence suppressing a well-defined wake structure and mixing in the flow separation cell. Flow over sinuous-crested bed forms with lobes and saddles was dynamically similar to flow over full width bed forms. Development of in-line paired saddles and lobes in the downstream direction appears to be controlled by near-bed velocity gradients, which were larger over saddles and smaller over lobes. These gradients control local boundary shear stress patterns that should promote scour and high transport rates over saddles and deposition on lobes. Two-dimensional and 3-D bed forms with the same height and length offered different levels of flow resistance. The flow observations support the idea that saddles decrease flow resistance and lobes increase flow resistance relative to a 2-D dune. Bed form crests composed of irregularly spaced lobes and saddles suppressed turbulent flow structure development and reduced drag by 20% below levels for 2-D or sinuous crested dunes. The results suggest that bed form crest shape needs to be accounted for in flow resistance calculations and that a single drag coefficient is inadequate where the bed can evolve through 2-D, 3-D, and irregular 3-D bed form states.
Finding the Best Fit: Considering the Role of Novelty in Project Selection for Small Businesses

More and more, small firms are operating in an environment characterized by projects. While a variety of factors may ultimately play a role in the success or failure of any given project, we argue that project novelty is likely to be an overriding factor. Project novelty, defined as the lack of relevant experience a firm has when pursuing a project, is offered as an extension of research in applicability and appropriateness of firm capabilities. We posit that project novelty enables movement past general arguments offered for generalization and specialization and moves towards specifically testable firm-project fit models. To that end this paper provides a working definition, four propositions and an estimation method appropriate for project attribute data. Implications regarding project novelty and its role in the selection and pursuit of projects are developed both for managers of small businesses and for those who advise and/or train such managers.
Seston variability and daily growth in Mercenaria mercenaria on an intertitla sandflat

We conducted observations of weather and water column parameters to determine the scope and persistence of seston vanability on an intertidal sandflat (Cape Henlopen, Delaware, USA) and the effects of this variabhty on the daily growth rate of the hard clam Mercenaria mercenana. Wave-induced resuspension of bottom sediments was found to increase the quantity of particulate matter in the water column by an order of magnitude. At high suspended loads, the quality of the seston, measured as the percent organic matter, was reduced by a factor of 5 due to the dilution of the organic matter with inorganic particles. The seston parameters (suspended solids, particulate organic matter and percent organic) responded quickly to changes in the weather, showing no significant autocorrelations at lags greater than 1 or 2 d. Daily shell growth increments of M. mercenana were measured using shell microgrowth techniques. The daily growth rate was compared to the seston parameters and the water temperature. For 2 independent implantations, the dally mean ensemble and individual clam shell growth increments were s~gnificantly correlated to the quality of the seston The composition of the seston was demonstrated to be more important to clam growth than the concentration alone. Shell growth responded to changes in the percent organic matter on a daily time scale, with no lag or memory to previous seston parameters. These results provide direct, field evidence for the influence of particle quality on clam growth on a daily time scale.