Sustainable business models: integrating employees, customers and technology

This Special Issue of the Journal of Business & Industrial Marketing has the same title as the 23rd International Conference CBIM 2018 (June 18-20, 2018, Madrid, Spain) “Sustainable Business Models: Integrating Employees, Customers and Technology”. In this edition of International Conference, following a competitive blind review process, papers from 126 authors and 25 countries were ultimately accepted. The best papers of the Conference were invited to submit to this Special Issue and we were also open to direct submissions from other authors. We present here the 17 accepted papers for publication in this Special Issue

Living under threat: psychosocial effects on victims of terrorism.

The fact of being under terrorist threats, such as death threats or intimidations, has psychosocial effects and impacts on victim’s psychosocial functioning. However, little attention has been paid to the study of threatened people through an evidence-based research. This study analyses quantitatively the experience of threatened people within a context of terrorism. Specifically, we want to gain insight into victims’ perceptions of their threatening situation, through participants who were under threat by the Euskadi ta Askatasuna (ETA) (Basque Homeland and Freedom) terrorist group in the Basque Country, Spain. Through a cross-sectional study and Principal component analysis, 87 victims of the ETA terrorist group in the Basque Country were surveyed, during the period of violence. The findings suggested six main psychosocial effects on threatened individuals, comprising issues such as (1) Thought processes and risk perception; (2) Emotional reactions; (3) Circles of vulnerability; (4) Suspicion/distrust; (5) Social interactions and (6) Safety and freedom of movement. In addition, victim’s perception of control was negatively related to the psychosocial effects, in factors 1, 2, 3, 4 and 5, respectively. The article discusses and shows implications of the power of threats, along with their effects, as a psychosocial coercion instrument

A first approach to the optimization of Bogotá's TransMilenio BRT system

Bus rapid transit (BRT) systems are massive transport systems with medium/high capacity, high quality service and low infrastructure and operating costs. TransMilenio is Bogotá's most important mass transportation system and one of the biggest BRT systems in the world, although it only has completed its third construction phase out of a total of eight. In this paper we review the proposals in the literature to optimize BRT system operation, with a special emphasis on TransMilenio, and propose a mathematical model that adapts elements of the above proposals and incorporates novel elements accounting for the features of TransMilenio system

Taxonomy and hierarchy of psychological abuse strategies in intimate partner relationships

This study focuses on the analysis from of a psychosocial perspective of the components of psychological abuse in intimate partner relationships. Following a review of studies on the subject, the main objective that emerged was the need for a new taxonomy of strategies of psychological abuse accompanied by the corresponding operational definitions. After the proposal of this new classification, a second objective emerged that consisted of submitting it for evaluation by a group of experts through a Delphi study, in which thirty-two experts from the academic and professional worlds participated. These experts were asked to assess the suitability of the system categories, and to grade quantitatively the severity of the impact made by each of the strategies on the global phenomenon of psychological abuse in couples. The results show that the experts ratified the new classification of strategies and their operational definitions, thus endorsing their content and construct validity. In addition, they classified the strategies based on their degree of severity; those of an emotional nature were considered the severest, followed by those related to the immediate context, with those of a cognitive type in third place, and lastly, the behavioural ones. Finally, we discuss the results, and their implications. Este estudio se centra en analizar los componentes del abuso psicológico en la violencia de pareja adulta y contra la mujer desde un enfoque psicosocial. Tras realizar una revisión de los estudios sobre el tema, se plantea como primer objetivo el proponer una nueva taxonomía de estrategias de abuso psicológico, acompañadas de sus respectivas definiciones operativas. A partir de esta nueva clasificación, se traza un segundo objetivo que se centra en someter esta clasificación al juicio de un grupo de expertos a través de un estudio Delphi, en el que han participado 32 expertos de los ámbitos académico - universitario y profesional. Estos expertos debían juzgar la adecuación del sistema de categorías, además de evaluar cuantitativamente la severidad que aporta cada una de las estrategias al fenómeno global del abuso psicológico en la pareja. Los resultados muestran que los expertos ratifican la nueva clasificación de estrategias y sus definiciones operativas, avalando así su validez de contenido y constructo. Además, jerarquizaron las estrategias de abuso, atribuyendo mayor severidad a las de tipo emocional, seguidas de las relacionadas con el contexto cercano, de las de tipo cognitivo y las de carácter conductual. Se discuten los resultados, sus limitaciones y las implicaciones que pueden derivarse de ellos

Preliminary Results from the Experimental Study of CO2-Brine-Rock Interactions at Elevated T & P: Implications for the Pilot Plant for CO2 Storage in Spain

AbstractA new experimental program has been carried out in order to study CO2-brine-rock interactions susceptible to take place in conditions close to those expected in the pilot plant that is being developed in Spain (a carbonate reservoir located at more than 800 m depth, with 15% porosity, and a salinity of the native brine between 20 – 90g/L). The combination of preliminary experimental and numerical modeling (PHREEQC) results suggests that the main geochemical processes are calcite dissolution and anhydrite precipitation

Development and validation of the scale of psychological abuse in intimate partner violence (EAPA-P)

Background: In the context of intimate partner violence, psychological abuse (PA) has progressively gained scientific relevance. Even so, a greater effort is needed to define and evaluate psychological intimate partner abuse. A new exhaustive and operative taxonomy of PA strategies leads to the contribution of a new evaluation instrument. Method: Participants were 101 women between 24 and 82 years old, who were abused by their partners and attended to in different municipal Catalan services, specialized in the topic. Results: The analyses have shown the suitability of a 19-item instrument divided into two factors: (1) direct PA strategies and (2) indirect PA strategies. The former includes strategies that affect the emotional, cognitive and behavioral dimension of the victim. The latter includes items that measure the amount of control and domination over the victim’s context. This scale has adequate psychometric properties in terms of score reliability and the validity of the relationship with other women’s health variables. Conclusions: The EAPA-P, created based on a new definition and taxonomy of the forms of PA, is presented as a valid instrument to detect and measure intimate partner PA

Obtención de las soluciones periódicas de un oscilador no lineal mediante un método rápido de Galerkin

Este artículo está enfocado a la determinación de las soluciones periódicas de los osciladores no lineales así como al análisis cualitativo de su estabilidad. Estos osciladores están modelizados por la ecuación diferencial 3 Z ( t ) + kk(t) + E ajzj = g(t) j=1 siendo g(t) una fuerza T-periódica. En este trabajo desarrollamos un algoritmo basado en el método de Galerkin que utiliza la transformada rápida de Fourier (FFT) para calcular las soluciones periódicas de la ecuación anterior. Además, incluimos un algoritmo combinado en un apéndice, con convergencia rápida, para resolver las ecuaciones algebraicas no lineales obtenidas por dicho método. Finalmente, validamos esta metodología aplicando el algoritmo pa,ra obtener las soluciones periódicas de un oscilador de Duffing con comportamiento caótico.This paper is focused to the determination of the harmonic solutions of the non linear oscillators modelled by the following differential equation 3 Z (t) + kk (t) + E a, r' = g (t) j=l being g(t) a T-periodic driving force. In this work we develop an algorithm based on the Galerkin method, using the Fast Fourier Transform (FFT) to calculate the harmonic solutions of previous equation. Furthermore, we include a combined algorithm with fast convergence to solve the non linear algebraic equations obtained in the Galerkin Fast Algorithm. Finally, we validate this methodology applying the algorithm to obtain the harmonic solutions of a Duffing oscillator with a chaotic behavior.Peer Reviewe

Análisis multivariante de los horizontes orgánico-minerales de los suelos del Parque Natural de Sierra Mágina (Jaén)

Soils are described normally using a great number of properties (variables). This generates a great quantity of data not easily understandable in a direct way. Consequently, multivariate analysis is necessary to support and confirm impressions and interpretations of investigations in field and laboratory. In the present work we quantify, through multivariate analysis, the relative influence of the different factors of soil formation that act on the soil system. We have studied 203 organo-mineral horizons, sampled to a depth between 0 and 25 cm of soils in the Sierra Mágina natural park (Jaén, Spain). The studied soils are from calcareous rocks. Five factors were found to be significant and showed that the organic carbon accumulation, decarbonatation and the argillization/rubefacction, as internal variables, and the hill slope, as external variable, they are those which explain a greater percentage of the natural variability of the soil system

Accesibilidad y administración pública: un análisis de la situación de la juventud

Introducción. Las normas internacionales, como la Convención sobre los Derechos de las Personas con Discapacidad (CDPD), suponen un reconocimiento de los derechos sociales. Sin embargo, también implican una modificación de la legislación nacional para hacer efectivos estos derechos. A su vez, esto supone una complejización de la Administración, generando nuevos organismos e implicando nuevas disciplinas. Estos cambios no siempre resultan sencillos de comprender, precisando de adaptaciones para poder hacer efectivos los derechos reconocidos. Objetivo. Conocer cómo se ha aplicado el derecho a la accesibilidad universal, recogido en la CDPD, en las leyes relativas a los jóvenes con graves discapacidades incluidos en el sistema de dependencia aragonés. Método. Muestra: el período estudiado es de abril de 2008, fecha de ratificación de la CDPD por España, y marzo de 2020. Finalmente, tras una selección mediante criterios de inclusión/exclusión, la muestra fue de 36 leyes relacionadas con la discapacidad y la dependencia en Aragón. Instrumentos y procedimiento: Como técnica se utilizó un análisis de contenido deductivo. Se creó un libro de códigos con 31 variables para recoger el sistema de categorías. Por lo tanto, se definió la unidad de análisis como segmentos específicos del texto que se caracterizan por estar adscritos a una categoría específica. Los datos se dicotomizaron bajo criterios de presencia/ausencia dando lugar a una base de datos en SPSS. Resultados. Algunos de los resultados principales son: escasez de definiciones claras que disminuyan la arbitrariedad; pequeña presencia de referencias a la juventud y a grandes necesidades de apoyo; insuficiencia de legislación en lectura fácil. Conclusiones. A pesar de ciertos avances, la adaptación de la normativa no se ha consolidado, afectando a los derechos de las personas con discapacidad, especialmente en el caso de los jóvenes y de las personas con grandes necesidades de apoyo

On the One-Dimensional Modeling of Vertical Upward Bubbly Flow

[EN] The one-dimensional two-fluid model approach has been traditionally used in thermal-hydraulics codes for the analysis of transients and accidents in water¿cooled nuclear power plants. This paper investigates the performance of RELAP5/MOD3 predicting vertical upward bubbly flow at low velocity conditions. For bubbly flow and vertical pipes, this code applies the drift- velocity approach, showing important discrepancies with the experiments compared. Then, we use a classical formulation of the drag coefficient approach to evaluate the performance of both approaches. This is based on the critical Weber criteria and includes several assumptions for the calculation of the interfacial area and bubble size that are evaluated in this work. A more accurate drag coefficient approach is proposed and implemented in RELAP5/MOD3. Instead of using the Weber criteria, the bubble size distribution is directly considered. This allows the calculation of the interfacial area directly from the definition of Sauter mean diameter of a distribution. The results show that only the proposed approach was able to predict all the flow characteristics, in particular the bubble size and interfacial area concentration. Finally, the computational results are analyzed and validated with cross-section area average measurements of void fraction, dispersed phase velocity, bubble size, and interfacial area concentration.The authors sincerely thank the Plan Nacional de I+D+i for funding the Projects MODEXFLAT ENE2013-48565-C2-1- P, ENE2013-48565-C2-2-P, and NUC-MULTPHYS ENE2012- 34585.Peña-Monferrer, C.; Gómez-Zarzuela, C.; Chiva, S.; Miró Herrero, R.; Verdú Martín, GJ.; Muñoz-Cobo, JL. (2018). On the One-Dimensional Modeling of Vertical Upward Bubbly Flow. Science and Technology of Nuclear Installations. 2018:1-10. https://doi.org/10.1155/2018/2153019S110201