Fernando J. Garrigós‐Simón and Daniel Palacios Marqués
Our paper contrasts and validates the relevance of Miles and Snow (1978) and Robinson and Pearce (1988) strategic models, and their causal relationships with performance. The…
Abstract
Our paper contrasts and validates the relevance of Miles and Snow (1978) and Robinson and Pearce (1988) strategic models, and their causal relationships with performance. The empirical study was carried out on a sample of 189 enterprises from the Spanish hospitality sector. The results confirm the relevance of both models, and the importance of the different strategies as a source to explain performance. The analysis uses structural equation models and variance analysis (ANOVA) methodologies.
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Danilo Brozović, Anna D'Auria, Marco Tregua and Mark Anthony Camilleri
This chapter delineates the conditions, challenges and opportunities for the sustainability of small entrepreneurial firms involved in local food tourism. It raises awareness on…
Abstract
This chapter delineates the conditions, challenges and opportunities for the sustainability of small entrepreneurial firms involved in local food tourism. It raises awareness on how these businesses can enhance their competitiveness in this market. It puts forward an analytical framework that is based on the economic, social, environmental and cultural sustainability of small local food tourism entrepreneurs in Swedish, Italian and Spanish contexts. This research implies that the financial sustainability of these small enterprises is contributing to local economic growth and employment in their country. From the social sustainability aspect these tourism businesses are intrinsically linked to local communities. Their responsible practices are meant to safeguard the environmental sustainability as well as the preservation of their local culture and heritage. At the same time, they enable them to add value to their destination’s cultural sustainability.
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This paper aims to comprehensively review ultrasonic additive manufacturing (UAM) process history, technology advancements, application areas and research areas. UAM, a hybrid 3D…
Abstract
Purpose
This paper aims to comprehensively review ultrasonic additive manufacturing (UAM) process history, technology advancements, application areas and research areas. UAM, a hybrid 3D metal printing technology, uses ultrasonic energy to produce metallurgical bonds between layers of metal foils near room temperature. No melting occurs in the process – it is a solid-state 3D metal printing technology.
Design/methodology/approach
The paper is formatted chronologically to help readers better distinguish advancements and changes in the UAM process through the years. Contributions and advancements are summarized by academic or research institution following this chronological format.
Findings
This paper summarizes key physics of the process, characterization methods, mechanical properties, past and active research areas, process limitations and application areas.
Originality/value
This paper reviews the UAM process for the first time.
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Ying Chen, Chuanjing Lu, Xin Chen, Jie Li and Zhaoxin Gong
Ultrahigh-speed projectile running in water with the velocity close to the speed of sound usually causes large supercavity. The computation of such transonic cavitating flows is…
Abstract
Purpose
Ultrahigh-speed projectile running in water with the velocity close to the speed of sound usually causes large supercavity. The computation of such transonic cavitating flows is usually difficult, thus high-speed model reflecting the compressibility of both the liquid and the vapor phases should be introduced to model such flow. The purpose of this paper is to achieve a model within an in-house developed solver to simulate the ultrahigh-speed subsonic supercavitating flows.
Design/methodology/approach
An improved TAIT equation adjusted by local temperature is adopted as the equation of state (EOS) for the liquid phase, and the Peng-Robinson EOS is used for the vapor phase. An all-speed variable coupling algorithm is used to unify the computations and regulate the convergence at arbitrary Mach number. The ultrahigh-speed (Ma=0.7) supercavitating flows around circular disk are investigated in contrast with the case of low subsonic (Ma=0.007) flow.
Findings
The characteristic physical variables are reasonably predicted, and the cavity profiles are compared to be close to the experimental empirical formula. An important conclusion in the compressible cavitating flow theory is verified by the numerical result that, at any specific cavitation number the cavity’s size and the drag coefficient both increase along with the rise of Mach number. On the contrary, it is found as well that the cavity’s slenderness ratio decreases when Mach number goes up. It indicates that the compressibility has different influences on the length and the radius of the supercavity.
Originality/value
A high-speed model reflecting the compressibility of both the liquid and the vapor phases was suggested to model the ultrahigh-speed supercavitating flows around underwater projectiles.
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This paper investigates the impact of education on output of rice farming households in Vietnam.
Abstract
Purpose
This paper investigates the impact of education on output of rice farming households in Vietnam.
Design/methodology/approach
Given the literature review, this paper specifies three empirical models (i.e. linear constant coefficient model, partially nonlinear model and linear varied coefficient model) with variables that well describe the mechanism through which education affects output. The data were collected from 901 rice farming households randomly selected out of ten provinces and city in the Mekong River Delta (MRD) of Vietnam. The models are estimated using ordinary least squares (OLS) and Robinson's (1988) double residual estimators.
Findings
Estimates of the empirical models show that seed, fertilizer, labor and farm size have significant impacts on output of rice farming households while pesticide and herbicide do not. Education is also found to have a positive effect on output of rice farming households because it helps them better manage farms of larger size via combining various inputs in a more desirable way.
Originality/value
This paper confirms the positive impact of education on agricultural output, which implies that policies aiming to provide better education to rural people will greatly enhance their income as well as trigger long-term economic and agricultural growth.
Tooba Akram, Suresh A/I Ramakrishnan and Muhammad Naveed
This paper aims to provide a comprehensive conceptual framework and strong arguments with an intent to examine the stock market variables (predictors) indicating the money…
Abstract
Purpose
This paper aims to provide a comprehensive conceptual framework and strong arguments with an intent to examine the stock market variables (predictors) indicating the money laundering (ML) and terrorism financing (FT) proceeds.
Design/methodology/approach
This paper provides a comprehensive review of ML/FT through the stock market across developed, developing and emerging jurisdictions, sheds light on the existing literature and critically evaluates the gap in the relevant studies. Moving forward, this paper develops the conceptual framework and formulates hypotheses to explore the empirical relationship.
Findings
This paper advocates and finds a basis to carry out much-needed empirical research between the ML/FT and stock market keeping in view the growing criminal cases in the developing countries. This paper suggests mining proxies from the publically available stock market data and the results of existing seminal research as variables of the study. These data and results carry information about the ML determinants. After developing hypothetical research providing concepts, this paper also finds that using a suitable methodology, preferable Bayesian logistic and linear regression models, it is possible to find the typologies and factors that can indicate and endorse the use of the stock market for ML/FT. Broadly, it is found that the significance of this study will be two-pronged: empirical development and policy implications.
Research limitations/implications
This paper mainly focuses on the developing region, a newly emerging market and, peculiarly, a grey-listed region by the Financial Action Task Force (FATF).
Practical implications
In light of the existing literature and to the best of the researchers’ knowledge, this study will bring into focus the new age of the action research on the ML regime in the securities markets of the developing countries, hence, the emerging markets. Moreover, this research shall have a sheer significance for the policy measures on FATF recommendations on ML and FT, especially for the countries listed as “grey”.
Social implications
The research based on comprehensive review will help in controlling the social behaviours aiding the proceeds of ML.
Originality/value
This research is extremely novel to the best of the researcher's knowledge.
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Frank Fischer, Elisabeth Bauer, Tina Seidel, Ralf Schmidmaier, Anika Radkowitsch, Birgit J. Neuhaus, Sarah I. Hofer, Daniel Sommerhoff, Stefan Ufer, Jochen Kuhn, Stefan Küchemann, Michael Sailer, Jenna Koenen, Martin Gartmeier, Pascal Berberat, Anne Frenzel, Nicole Heitzmann, Doris Holzberger, Jürgen Pfeffer, Doris Lewalter, Frank Niklas, Bernhard Schmidt-Hertha, Mario Gollwitzer, Andreas Vorholzer, Olga Chernikova, Christian Schons, Amadeus J. Pickal, Maria Bannert, Tilman Michaeli, Matthias Stadler and Martin R. Fischer
To advance the learning of professional practices in teacher education and medical education, this conceptual paper aims to introduce the idea of representational scaffolding for…
Abstract
Purpose
To advance the learning of professional practices in teacher education and medical education, this conceptual paper aims to introduce the idea of representational scaffolding for digital simulations in higher education.
Design/methodology/approach
This study outlines the ideas of core practices in two important fields of higher education, namely, teacher and medical education. To facilitate future professionals’ learning of relevant practices, using digital simulations for the approximation of practice offers multiple options for selecting and adjusting representations of practice situations. Adjusting the demands of the learning task in simulations by selecting and modifying representations of practice to match relevant learner characteristics can be characterized as representational scaffolding. Building on research on problem-solving and scientific reasoning, this article identifies leverage points for employing representational scaffolding.
Findings
The four suggested sets of representational scaffolds that target relevant features of practice situations in simulations are: informational complexity, typicality, required agency and situation dynamics. Representational scaffolds might be implemented in a strategy for approximating practice that involves the media design, sequencing and adaptation of representational scaffolding.
Originality/value
The outlined conceptualization of representational scaffolding can systematize the design and adaptation of digital simulations in higher education and might contribute to the advancement of future professionals’ learning to further engage in professional practices. This conceptual paper offers a necessary foundation and terminology for approaching related future research.
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María Laura Mediza Romero, Mariana von Staszewski and María Julia Martínez
The purpose of this paper is to evaluate the effect of green tea polyphenols addition on physicochemical, microbiological and bioactive characteristics of yogurt.
Abstract
Purpose
The purpose of this paper is to evaluate the effect of green tea polyphenols addition on physicochemical, microbiological and bioactive characteristics of yogurt.
Design/methodology/approach
Two incorporation methods of polyphenols were evaluated: direct addition or incorporated within protein particles of whey protein concentrate and gelatin. During yogurt’s shelf life, structure characteristics (water holding capacity, textural and rheological parameters), lactic acid bacteria (LAB) viability and polyphenols antioxidant activity were analyzed. Also, polyphenol bioaccesibility after in vitro digestion was evaluated.
Findings
Polyphenols addition (by the two methods used) did not affect the dynamics of the fermentation process, nor the LAB viability during storage. The color parameter a* for the yogurts with the highest polyphenol concentrations showed positive values (tending to red), but not visible to the naked eye. Because of the ability of polyphenols to interact with milk proteins, yogurts with polyphenols presented higher values in firmness and cohesiveness with respect to the control. Additionally, the incorporation of polyphenols in protein particles increased even more these parameters because of the higher protein content of these formulations. After simulated digestion, a high polyphenol bioaccesibility was observed, and the antioxidant activity was retained, which could be explained by the “protector” effect of the milk matrix.
Practical implications
Yogurt supplementation with green tea polyphenols is feasible for the development of functional food. However, the use of protein particles would not provide an extra benefit because milk proteins already act as protective molecules of polyphenols.
Originality/value
This study shows not only the physico-chemical implications of including polyphenols in yogurt but also their bioaccesibility after an in vitro digestion, revealing a suitable manner for delivery of antioxidants in a dairy product like yogurt.
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Identificar los aspectos que los Actores Sociales consideran en la construcción de futuros compartidos en las comunidades. En su aplicación en los países emergentes, especialmente…
Abstract
Propósito
Identificar los aspectos que los Actores Sociales consideran en la construcción de futuros compartidos en las comunidades. En su aplicación en los países emergentes, especialmente en el Sur Global, a menudo se pasan por alto las particularidades socioculturales de las comunidades y los actores, generando fricciones o conflictos sociales. Este artículo presenta dos elementos críticos que contribuyen al debate: a) la importancia de entender a los Actores Sociales dentro de un modelo de generación de futuros comunitarios en los países emergentes; b) los factores relevantes que influyen en los actores en un ejercicio de construcción de futuros en las comunidades.
Diseño/metodología/enfoque
A partir de la investigación cualitativa, se utilizó un estudio de caso de prospectiva comunitaria del futuro: El futuro de Puerto Gaitán 2037 (Meta, Colombia). Se aplicó un método de recolección de información a partir de la observación de los participantes y el análisis de la documentación. El método de análisis fue el DQA (Análisis Cualitativo Deductivo).
Hallazgos
La participación de Los Actores Sociales presenta un modelo de cinco elementos relevantes que influyen en los actores para la construcción exitosa de futuros en las comunidades. Los primeros cuatro factores, revelados por la teoría, existen en la realidad. Asimismo, se demuestra un quinto factor: el Pensamiento a Largo Plazo, que se evidencia en un Modelo de aplicación de Estudios de Futuros para el contexto específico, aplicable al caso de comunidades en países del Sur Global.
Originalidad/valor
Si bien existen ejemplos aislados de recomendaciones respecto a estudios para generar el futuro de las comunidades, este es el primer estudio que presenta factores concretos que contribuyen a orientar la construcción de futuros comunitarios desde Actores Sociales, especialmente en países del Sur Global como Colombia. También es uno de los primeros estudios en utilizar el DQA como método de análisis en un tema de Estudios de Futuros.
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Esta investigación utiliza la Teoría Basada en Recursos como base para un modelo que permite integrar las acciones organizacionales con las variables que pueden moderar, directa o…
Abstract
Propósito
Esta investigación utiliza la Teoría Basada en Recursos como base para un modelo que permite integrar las acciones organizacionales con las variables que pueden moderar, directa o indirectamente, su impacto en el alto desempeño de los clubes de fútbol.
Diseño/metodología/enfoque
Se desarrolla una contrastación empírica en tres fases. La primera fue la técnica de regresión lineal. En segundo lugar, un análisis multivariado de covarianza (MANCOVA) y el tercer procedimiento, una regresión por mínimos cuadrados en dos fases. El objetivo de usar estos dos últimos procedimientos fue evaluar el efecto conjunto de las variables independientes sobre las variables dependientes, así como los efectos de interacción entre las mismas.
Hallazgos
Se validan las relaciones, directas e indirectas, entre las variables organizacionales y decisionales previstas en el modelo. También se valida la importancia de las acciones promocionales del club, para lograr competitividad basada en su desempeño o resultados.
Limitaciones de la investigación/implicaciones
Investigaciones futuras se podrían replicar en otros países, usando muestras más grandes con técnicas estadísticas más complejas. También, se podría contrastar si las relaciones encontradas pueden variar según las culturas, o pueden usarse otras variables no contempladas en este estudio.
Implicaciones prácticas
El cuestionario usado es una fuente de información fiable para los directivos de marketing de los clubes de fútbol, puesto que las escalas pueden ser usadas como guías para evaluar y diagnosticar su potencial de competitividad basada en el desempeño.
Implicaciones sociales
Los clubes de fútbol tienen un desarrollo e impacto directo en la sociedad. Por ello, las implicancias en el club recaerán en el entorno cercano (aficionados y sociedad) a este.
Originalidad/valor
Esta investigación aporta varias contribuciones fundamentales a la literatura sobre la competitividad organizacional en el sector deportivo, con aplicación específica a los clubes de fútbol. Este es uno de los escasos estudios que muestran que la competitividad es el resultado de una dinámica motivacional y organizativa, y que el éxito de los clubes se basa en un fenómeno más complejo que solo la asistencia a los eventos. También, es una investigación en un país emergente, lo cual extiende la aplicabilidad teórica y práctica del fenómeno estudiado.