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96 articles for “J. Gil”
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Research ArticleOpen accessIn the author namesMultivariate Modelling of the Canary Islands Banana Output. The Role of Farmer Income ExpectationConcepción González Concepción, María Candelaria Gil-Fariña, Celina Pestano-GabinoThe EU is the world‘s largest importer of bananas and the only major managed market in the international banana trade. Spain is the main banana producer within the European Union (EU), followed by France and Portugal. In all these countries the fruit is grown in overseas islands situated in tropical or sub-tropical areas and bananas are a pillar of the … …Journal of Social Sciences, Vol. 4, Issue 2 · 30 Jun 2008 · 7,769 accessesView PDFCite
Research ArticleOpen accessIn the author namesThe Effect of Adding Zeolite to Soils in Order to Improve the N-K Nutrition of Olive Trees. Preliminary ResultsR. Perez-Caballero, J. Gil, C. Benitez, J. L. GonzalezThis paper describes an experiment performed in order to study the possibility of using zeolite in organic olive groves. Soil and leaf analysis was performed and an increase in soil N levels was observed. Furthermore, higher levels of K in the soil and the trees point to the improved nutritional potential of these soils in terms of K, as a … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 1 · 31 Mar 2008 · 8,395 accessesView PDFCite
Research ArticleOpen accessIn the author namesSome Algorithms to Identify Rational Structures in Stochastic Processes with ExpectationsConcepción González-Concepción, María Candelaria Gil-Fariña, Celina Pestano-GabinoThis research was concerned with the identification of rational models in stochastic processes and we use the Padé-Laurent Approximation to identify a Transfer-Function Model with Expectations. We mention the T-table method and focus in studying the generalised epsilon-algorithm, emphasizing the main role of the statistical significance of their numerical entries. Empirical work is made for non-causal TF models using both … …Journal of Mathematics and Statistics, Vol. 3, Issue 4 · 31 Dec 2007 · 6,754 accessesView PDFCite
Research ArticleOpen accessIn the author namesBioeconomic Management and Fishing Selectivity: An Application to the European Hake FisheryM. Dolores Garza-Gil, Manuel M. Varela-LafuenteThe bioeconomic management in a fishery with intra-species selectivity is examined. As opposed to other works, we consider a model in which the fishing technology affects resource`s growth not only through the production function, but also through the natural growth rate of the marine resource. The analysis is applied to the European Southern hake stock (merlucius merlucius). The activity of … …American Journal of Agricultural and Biological Sciences, Vol. 2, Issue 2 · 30 Jun 2007 · 7,455 accessesView PDFCite
Research ArticleOpen accessIn the author namesNelson and Plosser Revisited: Evidence from Fractional ARIMA ModelsGuglielmo Maria Caporale, Luis A. Gil-AlanaIn this study fractionally integrated ARIMA (ARFIMA) models are estimated using an extended version of Nelson and Plosser[1]’s data set. The analysis employs[11]’s maximum likelihood procedure. Such a parametric approach requires the model to be correctly specified in order for the estimates to be consistent. A model-selection procedure based on diagnostic tests on the residuals, together with several likelihood criteria, … …American Journal of Applied Sciences, Vol. 2, Issue 4 · 30 Apr 2005 · 6,718 accessesView PDFCite
Research ArticleOpen accessIn the author namesStrong Dependence at the Long Run and the Cyclical Frequencies in the Specification of the US Unemployment RateL. A. Gil-AlanaThis study deals with the presence of long range dependence at the long run and the cyclical frequencies in the specification of the US unemployment rate. We use a parametric procedure that permits us to test unit and fractional roots in raw time series. The results show that both the long run and the cyclical structures present a component of … …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 6,506 accessesView PDFCite
Research ArticleOpen accessIn the author namesDigital Technology Literacy and Digital Economy Literacy as an Effort to Improve Business Sustainability in Banten's Micro and Small Industries in the Era of Business UncertaintySutisna, Syamsul Hidayat, Naufal Affandi et al.This study focuses on the underutilization of digital technologies and the digital economy among micro and small business owners, especially in the province of Banten. This issue is important because the efficient use of digital tools can drive entrepreneurship and sustainability, especially in a rapidly developing economic landscape. To study it, a study was conducted in which 162 micro and … …Journal of Computer Science, Vol. 21, Issue 4 · 3 Mar 2025 · 5,520 accessesView PDFCite
Review ArticleOpen accessIn the author namesBig Data Analytics (BDA) in the Research Landscape: Using Python and VOSviewer for Advanced Bibliometric AnalysisSamsul Arifin, Muhammad Faisal, Monica Mayeni Manurung et al.Big data analytics has become a key element in research and development in various fields. With the ability to analyze large and complex amounts of data, this technology allows researchers to identify patterns, trends, and insights that were not seen before. This article explores how big data analytics is applied in various disciplines, including computer science, engineering, and mathematics. We … …Journal of Computer Science, Vol. 21, Issue 2 · 16 Jan 2025 · 6,593 accessesView PDFCite
Research ArticleOpen accessIn the author namesAnalysis of the Operation of DC Interconnected Households PV under Weather ConditionsGilbert Ngoma, Maryse Dadina Nkoua Ngavouka et al.Installing Photovoltaic (PV) systems is becoming a viable solution for rural areas, with an innovative approach consisting of interconnecting autonomous PV-powered households. This study analyses the performance of interconnected autonomous PV households under different weather conditions using the Matlab Simulink R2016a software. Over and above this interconnection analysis, in this study, a new mathematical model to predict PV power is … …American Journal of Engineering and Applied Sciences, Vol. 18, Issue 1 · 4 Jan 2025 · 6,213 accessesView PDFCite
Research ArticleOpen accessIn the author namesUsing Regression Analysis to Predict the Demand Function of Electricity: A Case StudyHasan Karimian Khozani, Esmaeil Esmaeili, Mohammad Najjartabar Bisheh et al.Due to the growing electricity consumption in Iran, investigating the changes of the electricity demand is one of the fundamental challenges facing many professionals and planners. The planners always invest efforts to address this issue by accurately predicting the electricity demand over the years and increasing the extra capacity respectively. One of the main tools for predicting the electricity demand … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 4 · 20 Dec 2020 · 6,462 accessesView PDFCite