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Search Results (9)

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Authors = Miguel-Ángel Esteban-Navarro ORCID = 0000-0001-6221-2824

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28 pages, 4045 KiB  
Article
Depopulation and Residential Dynamics in Teruel (Spain): Sustainable Housing in Rural Areas
by Miguel-Ángel García-Madurga, Miguel-Ángel Esteban-Navarro, Isabel Saz-Gil and Sara Anés-Sanz
Urban Sci. 2024, 8(3), 110; https://doi.org/10.3390/urbansci8030110 - 12 Aug 2024
Cited by 4 | Viewed by 2519
Abstract
This article provides a comprehensive analysis of depopulation and residential dynamics in Teruel, a province emblematic of the aging and depopulation issues prevalent in many inland regions of Spain and Europe. Through an in-depth examination utilizing official statistics, academic studies, and reports, this [...] Read more.
This article provides a comprehensive analysis of depopulation and residential dynamics in Teruel, a province emblematic of the aging and depopulation issues prevalent in many inland regions of Spain and Europe. Through an in-depth examination utilizing official statistics, academic studies, and reports, this study highlights the demographic structure, historical evolution, and current trends in Teruel. Key patterns of population change and their implications for urban and rural planning are identified. The analysis covers population density, vital balances, and household distribution, with a special focus on the significant role of the foreign population. Additionally, the challenges associated with vacant housing and the management of unused land are discussed, proposing revitalization strategies for the built environment in rural settings through sustainable housing initiatives. This study aims to contribute to the discourse on sustainable development of small cities and rural areas, offering integrated solutions that not only enhance living conditions but also encourage balanced and sustainable growth. Full article
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12 pages, 3816 KiB  
Article
Natural Fluorite from Órgiva Deposit (Spain). A Study of Its Pozzolanic and Mechanical Properties
by Domingo A. Martín, Jorge Luis Costafreda, Esteban Estévez, Leticia Presa, Alicia Calvo, Ricardo Castedo, Miguel Ángel Sanjuán, José Luis Parra and Rafael Navarro
Crystals 2021, 11(11), 1367; https://doi.org/10.3390/cryst11111367 - 10 Nov 2021
Cited by 2 | Viewed by 2266
Abstract
This work presents the results of the partial substitution of Portland cement (PC) by natural fluorite (NF) and calcined fluorite (CF) in mortars, at 10%, 25% and 40%. To meet these objectives, a sample of fluorite was initially studied by XRD, SEM and [...] Read more.
This work presents the results of the partial substitution of Portland cement (PC) by natural fluorite (NF) and calcined fluorite (CF) in mortars, at 10%, 25% and 40%. To meet these objectives, a sample of fluorite was initially studied by XRD, SEM and Raman Spectroscopy (RS). A chemical quality analysis (CQA) and a chemical pozzolanicity test (CPT) at 8 and 15 days were carried out in a second stage to establish the pozzolanic properties of the investigated sample. Finally, a mechanical compressive strength test (MCST) at 7, 28 and 90 days was carried out on specimens made up with PC/NF and PC/CF mixes, at a ratio of 10%, 25% and 40%. XRD, SEM and RS results indicated fluorite as the major mineralogical phase. The CPT and CQA showed an increase in the pozzolanicity of the samples from 8 to 15 days. The MCST showed an increase in compressive strength from 7 to 90 days for both PC/NF and PC/CF specimens. The results obtained establish that fluorite produces positive effects in the mortar and contributes to the gain of mechanical strength over time, being a suitable material for the manufacture of cements with pozzolanic addition with a reduction of CO2 emissions, and by reducing the energy costs of production. Full article
(This article belongs to the Special Issue Mineralogical Crystallography (2nd Edition))
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18 pages, 343 KiB  
Article
Spanish Fact-Checking Services: An Approach to Their Business Models
by Miguel-Ángel Esteban-Navarro, Antonia-Isabel Nogales-Bocio, Miguel-Ángel García-Madurga and Tamara Morte-Nadal
Publications 2021, 9(3), 38; https://doi.org/10.3390/publications9030038 - 21 Aug 2021
Cited by 8 | Viewed by 6043
Abstract
The proliferation of fact-checking services is a fast-growing global phenomenon, especially in Western countries. These services are the response of journalism to disinformation, that has transformed a common internal procedure of journalistic work in the core of a business directed to the general [...] Read more.
The proliferation of fact-checking services is a fast-growing global phenomenon, especially in Western countries. These services are the response of journalism to disinformation, that has transformed a common internal procedure of journalistic work in the core of a business directed to the general public, also offered to the companies of mass media and social media. Literature review shows that the research on fact-checking has focused on the origin, funding, relationship with the media, procedures, and experiences related to politics and COVID-19. However, the ownership structure of the fact-checking services has been superficially analysed and the business model of these platforms has not yet been studied in detail and depth. The objective of this article is to identify and analyse the business model of the nine Spanish active fact-checking services through a documentary research of public information sources and the information that these services give about themselves. This paper explains their ownership structure and income provenance, from open information sources. The findings are that the fact-checking services that depend on media groups are no strangers to the trend of opacity usual in these groups, but in the case of fact-checking services that are born as initiatives of journalists, the trend towards transparency is, in the majority of cases, clear. However, the information provided by the Spanish fact-checking services is deficient and does not allow us to discover their business models, except in the case of Newtral and, to a certain extent, Maldita. Full article
19 pages, 1099 KiB  
Article
CoVid Key Figures and New Challenges in the HoReCa Sector: The Way towards a New Supply-Chain
by Miguel-Ángel García-Madurga, Miguel-Ángel Esteban-Navarro and Tamara Morte-Nadal
Sustainability 2021, 13(12), 6884; https://doi.org/10.3390/su13126884 - 18 Jun 2021
Cited by 18 | Viewed by 9312
Abstract
The profound impact of the coronavirus pandemic on global tourism activity and the hospitality industry has rendered statistical approaches on tourism-demand forecasting obsolete. Furthermore, literature review shows the absence of studies on the supply chain in the HoReCa (hotel, restaurant, catering) sector from [...] Read more.
The profound impact of the coronavirus pandemic on global tourism activity and the hospitality industry has rendered statistical approaches on tourism-demand forecasting obsolete. Furthermore, literature review shows the absence of studies on the supply chain in the HoReCa (hotel, restaurant, catering) sector from a sustainability perspective that also addresses economic and social aspects, and not only environmental ones. In this context, the objective of this article is to carry out a prospective analysis on how the changes in the behaviour of consumers during the pandemic and the uncertainties regarding the exit from the health emergency can give rise to social trends with a high impact on the HoReCa sector in the coming years and, specifically, how they will affect the HoReCa supply chain. In the absence of investigations due to the proximity of what has happened, public sources and reports of international relevance have been identified and analysed from the future studies and strategic and competitive intelligence disciplines. The HoReCa sector in Spain has been chosen as field of observation. This analysis draws the future of the HoReCa sector, describes the changes in customer behaviour regarding food and beverages, explains the changes in distribution chains, and reflects on the impact of potential scenarios on the sector. The confluence of all these changes and trends can even configure a new supply chain in the hospitality sector with the emergence of new actors and the increase of access routes to a new final customer for whom security prevails in all its dimensions: physical, emotional, economic, and digital. Full article
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18 pages, 495 KiB  
Review
The Rural Digital Divide in the Face of the COVID-19 Pandemic in Europe—Recommendations from a Scoping Review
by Miguel-Ángel Esteban-Navarro, Miguel-Ángel García-Madurga, Tamara Morte-Nadal and Antonia-Isabel Nogales-Bocio
Informatics 2020, 7(4), 54; https://doi.org/10.3390/informatics7040054 - 5 Dec 2020
Cited by 79 | Viewed by 11822
Abstract
The COVID-19 pandemic has revealed the digital vulnerability of many citizens of the rural world. This article identifies and analyzes the proposals made by academic literature to overcome the digital divide in the European rural world for the five-year period 2016–2020. A scoping [...] Read more.
The COVID-19 pandemic has revealed the digital vulnerability of many citizens of the rural world. This article identifies and analyzes the proposals made by academic literature to overcome the digital divide in the European rural world for the five-year period 2016–2020. A scoping review has been carried out according to the PRISMA methodology in the two dimensions of the digital divide: access and connectivity, and use and exploitation. Online databases were used to identify scientific articles from which, after screening, 28 key documents were selected. The results update Salemink systematic review of articles published between 1991 and 2014 on digital and rural development in Western countries and it also intends to go beyond by extracting recommendations. A variety of political, social, educational, technical and economic issues has been exposed, with a common emphasis on the empowerment of rural populations. The findings provide actionable evidence and proposals to facilitate decision-making in current policy information to overcome rural digital divide. From them, seven recommendations that could have a wide and rapid impact to minimize the effects of the COVID-19 pandemic linked to the rural digital divide are synthesized. Three lines of action in the medium term are also proposed: the evaluation of national and regional public policies; the consideration of digital inclusion as a potential instrument to reduce rural depopulation; and the training in advanced digital skills to improve the social communication processes, considered key to promote empowerment and entrepreneurship. Full article
(This article belongs to the Section Health Informatics)
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17 pages, 2422 KiB  
Review
Misperception of Visual Verticality in Patients with Primary Headache Disorders: A Systematic Review with Meta-Analysis
by Esteban Obrero-Gaitán, María Manrique-Navarro, Miguel Ángel Lérida-Ortega, Daniel Rodríguez-Almagro, María Catalina Osuna-Pérez and Rafael Lomas-Vega
Brain Sci. 2020, 10(10), 664; https://doi.org/10.3390/brainsci10100664 - 24 Sep 2020
Cited by 8 | Viewed by 4353
Abstract
Migraine and tension-type headache (TTH) are the two most prevalent primary headache disorders (PHDs) that may involve visual and vestibular impairments, neck pain, and postural unsteadiness. The perception of visual verticality (VV) has been studied in patients diagnosed with PHD to assess balance [...] Read more.
Migraine and tension-type headache (TTH) are the two most prevalent primary headache disorders (PHDs) that may involve visual and vestibular impairments, neck pain, and postural unsteadiness. The perception of visual verticality (VV) has been studied in patients diagnosed with PHD to assess balance disorders showing varying findings. Our study aimed to assess the VV perception in patients diagnosed with PHD in comparison to healthy controls. A systematic review with meta-analysis was carried out in PubMed MEDLINE, Scopus, WOS, CINAHL, and SciELO. The Cohen standardized mean difference (SMD) was used to estimate the differences between exposed and healthy controls. Seven studies with 816 participants were included. The quality of included studies, according to the Newcastle–Ottawa Scale (NOS), was moderate (mean score of 5.2). Patients diagnosed with PHD showed a moderate misperception of VV as assessed with the subjective visual vertical (SVV) test (SMD = 0.530; 95% CI = 0.225, 0.836; p < 0.001). Specifically, a misperception of the SVV was found in patients with migraine (SMD = 0.369; 95% CI = 0.1, 0.638; p = 0.007) and with TTH (SMD = 1.122; 95% CI = 0.540, 1.704; p < 0.001). This review shows a misperception of VV in patients with migraine and TTH when assessed with the SVV test, being higher in patients with TTH, although the THH sample size was low. Full article
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20 pages, 966 KiB  
Review
Territorial Intelligence, a Collective Challenge for Sustainable Development: A Scoping Review
by Miguel-Ángel García-Madurga, Ana-Julia Grilló-Méndez and Miguel-Ángel Esteban-Navarro
Soc. Sci. 2020, 9(7), 126; https://doi.org/10.3390/socsci9070126 - 21 Jul 2020
Cited by 11 | Viewed by 8206
Abstract
Territorial Intelligence is a practice devoted to obtaining, analysing and valuing information and knowledge about a territory and its environment to design and implement territorial plans on strategic matters. The purpose of this article is to provide a broad overview about the meaning [...] Read more.
Territorial Intelligence is a practice devoted to obtaining, analysing and valuing information and knowledge about a territory and its environment to design and implement territorial plans on strategic matters. The purpose of this article is to provide a broad overview about the meaning of Territorial Intelligence in academic literature covering the definitions of the concept and the main topics involved. A scoping review following the PRISMA-ScR method has been carried out. Online databases were used to identify scientific articles and theses published between 2000 and 2020, from which, after screening, 33 key documents were selected, mainly of French origin. Qualitative analyses were performed following the technique of the Seven Key Questions (7W). Territorial Intelligence began in France as an application of Economic Intelligence, but it is becoming an autonomous discipline, expanding to other countries and generating specific applications, such as Tourist Intelligence, in the last decade. It is concluded that three elements characterize current Territorial Intelligence: the consideration as a collective process that involves the participation of multiple agents, the integration of external sources of information with territorial agents’ own internal knowledge and a focus on collaboration to promote sustainable development with a global vision. Full article
(This article belongs to the Special Issue Social, Legal and Educational Challenges of Contemporary Economics)
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20 pages, 298 KiB  
Article
Proximity Trade and Urban Sustainability: Small Retailers’ Expectations Towards Local Online Marketplaces
by Juan-Francisco Delgado-de Miguel, Tamar Buil-López Menchero, Miguel-Ángel Esteban-Navarro and Miguel-Ángel García-Madurga
Sustainability 2019, 11(24), 7199; https://doi.org/10.3390/su11247199 - 16 Dec 2019
Cited by 17 | Viewed by 6025
Abstract
The aim of this research is to identify the expectations offered by small retail businesses towards local online selling platforms as an innovative tool to ensure their future and the urban sustainability. Based on the previous findings obtained from an analysis of trends, [...] Read more.
The aim of this research is to identify the expectations offered by small retail businesses towards local online selling platforms as an innovative tool to ensure their future and the urban sustainability. Based on the previous findings obtained from an analysis of trends, actors and marketplaces operating in the retail sector, sixty semi-structured in-depth interviews have been carried out to Spanish local retail managers and owners. Opportunities and risks faced by local online marketplaces are presented from the perspective of small retail stores. Different attitudes towards online shopping platforms have been identified depending on their size, presence and experience in the online world, which has allowed us to categorize local retail businesses in six groups. Despite the perceptual and attitudinal differences between them, it is concluded that merchants have assumed that the current and future business model goes through the digitalization of their businesses and the selling on e-commerce platforms. The coexistence of the e-marketplace and the physical stores, conducted by the same retailers, could have a positive effect on the urban sustainability: on the one hand, with the economic strengthening and renovation of the historical centers and, on the other, with the maintenance of the population and traditional social relationships. Full article
(This article belongs to the Special Issue Urban Retail Systems: Vulnerability, Resilience and Sustainability)
18 pages, 3650 KiB  
Article
Positioning Axes of Sustainable Tourist Destinations: The Case of Aragón
by Miguel-Ángel García-Madurga, Miguel-Ángel Esteban-Navarro, Juan-Francisco Delgado-de Miguel and Tamar Buil-López Menchero
Sustainability 2019, 11(18), 4885; https://doi.org/10.3390/su11184885 - 6 Sep 2019
Cited by 7 | Viewed by 4997
Abstract
The purpose of this research is to determine the optimal positioning strategies of Aragón as a sustainable tourist destination. An exploratory research is carried out based on the analysis of statistical information sources, the identification of global and multisectoral macro-trends with direct impact [...] Read more.
The purpose of this research is to determine the optimal positioning strategies of Aragón as a sustainable tourist destination. An exploratory research is carried out based on the analysis of statistical information sources, the identification of global and multisectoral macro-trends with direct impact on the evolution of the tourist sector, and the use of the qualitative technique of the focus group. The main and secondary axes to provide a basis for the positioning strategy of the autonomous community are presented as a result. Full article
(This article belongs to the Special Issue Marketing for Sustainable Tourism)
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