Persona:
Ruiz Rua, Aurora

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ORCID
0000-0002-0670-5787
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Ruiz Rua
Nombre de pila
Aurora
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2023 - 20252
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Mostrando 1 - 2 de 2
  • Miniatura
    Publicación
    Is unsubsidised energy transition possible? Feasibility of replacing diesel buses with electric ones
    (Elsevier, 2023-06) Arizcuren Blasco, Javier; Martín García, Rodrigo; Ruiz Rua, Aurora; https://orcid.org/0000-0003-4192-3808
    This study assesses the economic viability of replacing the existing diesel vehicles with electric ones in the public transport sector of mid-sized European cities. It analyses the win-win situation that would result from a public-private financing of such vehicles. The proposed methodology is designed to revisit and improve public sector decision-making and its tools. The procedure entails an analysis of the acquisition and operating costs of electric buses, accounting separately for internal costs and externalities, applying different discount rates for the concessionaire and for public funds. The data used for this study comes from literature review and open-source data for Zaragoza, a medium size city in Northeast Spain. The results obtained show that investment in electric buses, by itself, is not profitable if approached only from the private sector and therefore requires public subsidy. The study, replicable in other locations, reveals the importance of this type of analysis during the decision-making process, considering public funds for sustainable urban mobility development as one solution to address energy transition.
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    Publicación
    Different approaches to Spanish e-government: from use to impact
    (Elsevier, 2025-02-12) Gijón Tascón, María Covadonga; Fernández Bonilla, Fernando; Ruiz Rua, Aurora
    This paper examines the factors that determine the use of e-government services in Spain. It identifies key determinants, including e-services usage synergies, e-trust, e-skills and socio-demographic determinants of e-government use as an outcome of a logit model with national data from 2023. The main results highlight the key role of ICT skills, confidence in technology and the quality of Internet connectivity, revealing significant disparities between socio-economic groups. Meanwhile, it explores the second and third levels of the digital divide, with a special focus on the information and ICT domain and its effective application, analysing the penetration and main uses of e-government in Spain. Policy recommendations call for the enhancement of digital literacy, the fostering of trust in e-government and the improvement of Internet access for vulnerable populations to promote inclusive digital governance.