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Decomposing trust into risk preferences, altruism, and subjective beliefs: An experimental analysis
Published 2020“…We estimate a set of standard statistical models to gauge determinants of the amount sent and a complementary maximum likelihood estimation approach to estimate Expected Utility models and Rank-Dependent Utility models in order to further evaluate our data. …”
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Portfolio Strategies Evaluation in Developed Markets: A Sectoral Analysis of Minimum- and Mean-Variance Portfolios
Published 2025“…This paper evaluates the performance of four fundamental economic sectors – energy, utilities, real estate, and the financial sector – in five advanced countries: the US, Canada, UK, Germany, and France throughout the period 2015 – 2024. …”
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Development of a scaled doubly-fed induction generator for assessment of wind power integration issues
Published 2017“…The scaling of the micro-machine is achieved by means of a dimensional analysis, which is a mathematical method that allows machines and systems to be downscaled by establishing laws of similitude between the reference model and its scaled model. MATLAB/SIMULINK, Maxwell and Solid Work are employed to achieve the objectives of this project.…”
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Determining the impact of Heligmosomoides polygyrus infection on the development of colitis
Published 2020“…Currently, established literature emphasises the protective role of helminth infection in mouse models of inflammatory bowel disease (IBD). Utilising two well-established murine models of human disease, the oxazolone and dextran sulfate sodium (DSS) models, I found that induction of murine IBD is highly sensitive to diet change and mouse gender. …”
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A comparative study of recurrent neural networks and statistical techniques for forecasting the stock prices of JSE-listed securities
Published 2023“…The Mean Percentage Error was utilised to measure forecasting accuracy. Different configurations of the Neural Network models were assessed, including considering whether bidirectionality improved forecasting accuracy. …”
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Optimal crew routing for linear repetitive projects using graph theory and entropy maximization metric
Published 2014“…To meet the physical limitation of resources in linear projects, this study presents a flexible optimization model for resolving resource constraint dilemma in linear scheduling problems .The proposed model utilizes a MATLAB code as the searching algorithm to automate the model formulation. …”
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Valuing risky income streams in incomplete markets
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Predicting the Indirect Cost of Construction Projects in Egypt: An Artificial Neural Network Approach
Published 2025“…This study proposes three-stage ANN approach for predicting site overheads of construction projects. The first ANN model estimates the total site overhead percentage while the second and third ANN models then utilize both the predicted total site overheads percentage and existing project data to forecast the breakdown of site overhead across its different subcategories and across the project’s different construction phases, while incorporating both economic and non-economic variables. …”
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Working between worlds: job embeddedness and retention in the age of hybrid work
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The effects of school conditions on learner reading achievement
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Predicting grade progression within the Limpopo Education System
Published 2019“…When the final HoeffdingTree model was applied to the test datasets, the performance was exceptionally good. …”
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Do investment strategies based on previous performance yield higher returns? Evidence from South African bond funds
Published 2020“…To my knowledge, this paper is among the first research papers to focus on South African bond mutual funds. I utilize the Sharpe Ratio, the modified Sharpe ratio, Jensen's alpha and the multi-index models to examine whether peformance is influenced by the performance measure used. …”
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Spousal rape : an integration approach to pastoral counselling
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Automated Management of Time Extension Claims in Construction Projects
Published 2024“…Then, disadvantages of the features were analyzed within the literature as follows: poor record keeping, delayed event notification, an arduous process of EOT-related clauses within contracts, the lack of a superior delay analysis technique (DAT), no automation of a DAT, lack of standardized EOT submission reports, and finally mistrust/security issues between parties This research strives to overcome the disadvantages present within the EOT submission process caused by the human factor by creating a web-based EOT management system model utilizing a distributed platform shared between all parties to decentralize and proactively deal with EOT claim management. …”
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Particle swarm optimization : empirical and theoretical stability analysis
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An experimental analysis of the risk-trust confound
Published 2017“…Subjects were also found to subjectively distort probabilities, where subjects would overweight low probabilities and underweight moderate to high probabilities. Expected Utility models and Rank-Dependent Utility models show that risk and trust are statistically significantly related and that the reasons for trusting one's partner may have arisen out of an inner need to simply trust that person. …”
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Stochastic optimal portfolios and life insurance problems in a Lévy market
Published 2018Get full text
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