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Article
Publication date: 14 September 2010

José‐Ignacio Antón, Rafael Muñoz de Bustillo and Miguel Carrera

The purpose of this paper is to analyse immigrant‐native wage differentials in Spain.

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Abstract

Purpose

The purpose of this paper is to analyse immigrant‐native wage differentials in Spain.

Design/methodology/approach

The paper exploits the Earnings Structure Survey 2006, which is the first nationally representative sample of both foreign and Spanish employees. Using the Machado‐Mata econometric procedure, wage differentials between locals and foreigners are decomposed into the gap related to characteristics and the one due to different returns on endowments (i.e. discrimination).

Findings

The paper finds that, in absolute terms, the latter component grows across the wage distribution, reflecting the existence of a kind of glass ceiling, consistent with the evidence of over‐education found in previous research.

Originality/value

The paper for the first time explores earnings differentials between immigrant and Spanish workers using a nationally representative database. In addition, standard errors are computed in order to determine if the gaps are statistically significant, a task not addressed by previous works. Finally, the work is relevant as Spain has become a host country only a few years ago.

Details

International Journal of Manpower, vol. 31 no. 6
Type: Research Article
ISSN: 0143-7720

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Article
Publication date: 27 November 2023

Davood Javanmardi and Mohammad Ali Rezvani

Bearings are critical components used to support loads and facilitate motion for rotating and sliding parts of the machinery. Bearing malfunctions can cause catastrophic failures…

41

Abstract

Purpose

Bearings are critical components used to support loads and facilitate motion for rotating and sliding parts of the machinery. Bearing malfunctions can cause catastrophic failures. Hence, failure analysis and endeavors to improve bearing performance are essential discussions for worldwide designers, manufacturers and end users of vital machinery. This study aims to investigate a type of roller bearing from the railway industry with premature failures. The task arises because locomotives’ maintenance and service life quality are vital to railway operations while providing transportation services for the nation. To assist in maintaining the designated locomotives, the present study scrutinizes the causes of failure of heavy-duty roller bearings from locomotive bogie axleboxes.

Design/methodology/approach

It is intended to inspect this bearing service life and statistically scrutinize its design parameters to reveal the failures’ shortcomings and origins. The significant measures include examinations of their failures’ primary and vital factors by comparing them with a real-life service history of 16 roller bearings of the same type. The bearings come from the axleboxes of a locomotive bogie with an axle load of 20 tons. The bearing loads are estimated using the EN13104 standard document and confirmed by the finite element method using ABAQUS engineering software. To validate the finite element modeling results, the bearings’ stress analysis is performed using the Hertzian contact theory that demonstrated perfect conformity. The said methods are also used to search for the areas susceptible to failures in these bearings. With the inclusion and exploitation of the bearing maintenance conditions and the logbook recordings of the locomotives for the past seven years, the critical cause for this type of bearing’s failures is surveyed and discussed.

Findings

With the inclusion and exploitation of the bearing maintenance conditions and the logbook recordings of the locomotives for the past seven years, the critical cause for this type of bearing’s failures is surveyed and discussed. As a crucial result, it is found that deprived maintenance and inadequate lubrication are the root causes of the loss of the selected bearings.

Originality/value

For the designated locomotives, the origins of the heavy-duty roller bearing failures and its design shortcomings are revealed by examining and comparing them with a real-life service history of many of the same types of bearings. The novelty of the research is in using the combination of the methods mentioned above and its decent outcome.

Details

World Journal of Engineering, vol. 21 no. 6
Type: Research Article
ISSN: 1708-5284

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Article
Publication date: 10 October 2018

Moneera Othman Aljobair

The purpose of this study was to investigate the sensory properties and chemical composition of corn and sorghum flakes manufactured using 25, 50, 75 and 100 per cent date syrup…

158

Abstract

Purpose

The purpose of this study was to investigate the sensory properties and chemical composition of corn and sorghum flakes manufactured using 25, 50, 75 and 100 per cent date syrup (DS), instead of sugar.

Design/methodology/approach

Ten individuals assessed the overall acceptability, taste, texture and aroma of flakes. The chemical composition of each type of flake was determined, and these characteristics compared with those of control corn and sorghum flakes (without DS).

Findings

The overall acceptability of sorghum flakes ranged from 6.3 (100 per cent DS flakes) to 6.8 (25 per cent DS flakes); however, the difference was not significant. Values for taste, texture and aroma of sorghum flakes ranged from 5.3 (taste of 100 per cent DS flakes) to 7.2 (texture of 25 per cent DS flakes). For corn flakes, values ranged from 6.20 (aroma of 100 per cent DS flakes) to 7.20 (texture of 25 per cent DS flakes). For both sorghum and corn, the colors of 25-100 per cent DS flakes were significantly different from controls (p = 0.0002). The total carbohydrate, fat, protein and ash contents were 81.669 per cent, 1.545 per cent, 13.27 per cent and 3.52 per cent for corn flour, and 83.38-85.78 per cent, 1.7-2.0 per cent, 10.02-12.13 per cent and 2.36-3.92 per cent for sorghum flour, respectively. The total carbohydrate, fat, protein and ash contents were 81.63 per cent, 5.75 per cent, 9.80 per cent and 2.82 per cent for corn, and 86.31-84.99 per cent, 3.15-4.27 per cent, 7.64-7.94 per cent and 2.92-2.79 per cent for sorghum flakes, respectively.

Originality/value

Corn and sorghum flakes produced with DS are acceptable to consumers, and their nutrient values indicate potential health benefits.

Details

Nutrition & Food Science, vol. 48 no. 6
Type: Research Article
ISSN: 0034-6659

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Article
Publication date: 31 December 2021

Burcu Türker and Nazlı Savlak

This study aims to develop nutritious and functional gluten-free cakes for celiac patients by substituting rice flour with unripe banana peel flour (UBPF) (0%, 5%, 10%, 15% and…

401

Abstract

Purpose

This study aims to develop nutritious and functional gluten-free cakes for celiac patients by substituting rice flour with unripe banana peel flour (UBPF) (0%, 5%, 10%, 15% and 20%) and to propound some chemical, textural and sensorial properties of cakes. A secondary purpose was also to contribute to waste management of the banana products industry by reevaluating the peel.

Design/methodology/approach

One-way analysis of variance and Duncan’s multiple comparison test (p < 0.05) were used to determine differences among the mean values. Proximate analysis, color, texture profile analysis, antioxidant activity, mineral composition and sensorial analysis were carried out. Data was analyzed using SAS software. Cake production was carried out in three replications.

Findings

UBPF in this study had high protein (11.2%) and dietary fiber (18.3%) as well as high antioxidant activity. In all, 5%–20% UBPF-substituted cakes had enhanced dietary fiber (2.5%–3.7% dry matter), ash content (1.6%–1.9% DM) in comparison to control cake (1.4% and 1.4%, respectively). 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity of enriched gluten-free cakes increased by 102%–534%, whereas ferric-reducing antioxidant power increased by 29.6%–143%. Up to 10% UBPF substitution resulted in texturally and sensorially acceptable, nutritious gluten-free cakes.

Practical implications

The developed product can be used practically for several applications as a healthy alternative. The use of unripe banana peel represents a promising strategy to increase the nutritional value and number of ready-to-eat food in the gluten-free market.

Social implications

This study propounds a nutritious, functional and sensorially acceptable gluten-free cake for celiac people to use practically while socialization. Cakes which are appreciated by panelists in sensory analysis will create product variety in kitchens, markets and social areas, in particular for those people suffering from celiac and gluten intolerance.

Originality/value

This is the first study to consider UBPF as an ingredient in gluten-free cake formulation. The product may positively contribute to the life quality of celiac people by propounding a gluten-free snack food for consumption in their social life. This study is also an example of the contribution of banana by-products toward the implementation of the circular economy.

Details

Nutrition & Food Science , vol. 52 no. 6
Type: Research Article
ISSN: 0034-6659

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Article
Publication date: 25 March 2021

Maria Rita Blanco, Miguel Angel Sastre-Castillo and Maria Angeles Montoro-Sanchez

This article explores the influence of education and experience on the time to the top in family and non-family CEOs who work for Latin American family firms.

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Abstract

Purpose

This article explores the influence of education and experience on the time to the top in family and non-family CEOs who work for Latin American family firms.

Design/methodology/approach

In order to achieve these objectives, this study draws upon human capital theory as well as career and family firm literature. The careers of 129 CEOs of family firms who form part of the América Economía ranking were analyzed and quantitative methods were used.

Findings

In Latin American family firms, family CEOs reach the top faster than their non-family counterparts. In addition, the influence of human capital variables on the way to the top differs between the two groups. For family CEOs, obtaining a graduate degree delays the way to the top, while for non-family ones, it reduces the time to the top. As regards experience, for promoted family CEOs, the greater the percentage of the career spent in the organization they lead, the shorter the time to the top. No support was found for either the influence of having worked for just one firm or having had elite graduate education abroad, in multilatina CEOs.

Practical implications

Individual career management suggestions for future CEOs as well as specific guidelines for talent managers are proposed

Originality/value

This is the first study to explore the influence of human capital indicators on the time to the top in Latin American family firm CEOs.

Propósito

Este artículo explora la influencia de la educación y la experiencia sobre el “time to the top” de los Gerentes Generales, miembros de la familia y no miembros, quienes trabajan para empresas familiares latinoamericanas.

Diseño/metodología/enfoque

Para lograr estos objetivos, este estudio se basa en la teoría de capital humano y la literatura sobre carreras y empresas familiares. Fueron analizadas las carreras de 129 Gerentes Generales de empresas familiares, integrantes del ranking América Economía, y se utilizaron métodos cuantitativos.

Resultados

En las empresas familiares latinoamericanas, los Gerentes Generales miembros de la familia llegan más rápido a la cima que los no miembros, y la influencia de las variables de capital humano en el “time to the top” difiere entre ambos grupos. Para los Gerentes Generales familiares, los estudios de posgrado retrasan el “time to the top”, mientras que, para los no familiares, lo reducen. En cuanto a la experiencia, para los Gerentes Generales que han sido promovidos, cuanto mayor es el porcentaje de carrera invertido en la organización, menor es el “time to the top”. No se obtuvo respaldo para las hipótesis sobre la influencia de trabajar en única firma o el posgrado de élite en el extranjero, en este último caso para los Gerentes Generales de multilatinas.

Implicancias prácticas

Se ofrecen sugerencias de gestión de carrera a nivel individual para futuros ejecutivos, así como lineamientos para los gerentes de talento.

Originalidad/valor

Este es el primer estudio que explora la influencia de los indicadores de capital humano sobre el “time to the top” de Gerentes Generales de empresas familiares latinoamericanas.

Details

Academia Revista Latinoamericana de Administración, vol. 34 no. 2
Type: Research Article
ISSN: 1012-8255

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Article
Publication date: 29 October 2024

Subhrasil Chingri and Debasis Mondal

This paper aims to review the relationship between per capita income and aggregate emission in an economy populated by rational agents. According to the environmental Kuznets…

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Abstract

Purpose

This paper aims to review the relationship between per capita income and aggregate emission in an economy populated by rational agents. According to the environmental Kuznets curve (EKC) hypothesis, pollution–income relationship is an inverted U-shaped curve. This paper aims to derive that relationship in an endogenous way and extends the relevant literature in an important way.

Design/methodology/approach

This paper formulated a general equilibrium model of homogenous population with identical tastes and preferences. Production side is modelled with firms operating in a monopolistically competitive environment. The approach is modelling the economy in an analytical way so that closed form solutions can be achieved. Model simulations have also been performed to get a clear view of results.

Findings

This study shows that increasing returns to scale in abatement technology ceases to be a sufficient condition for the generation of the EKC hypothesis. The general equilibrium structure of the model allows studying the endogenous evolution of income, emissions and prices of the abatement goods in a unified setting.

Originality/value

The paper is novel and original in nature. The results are new in the literature. These results extend and generalise the previous research work in this area in an important way. The sufficient condition that is obtained in this study limits the applicability of EKC in an otherwise identical economy as used in previous literature. Therefore, this paper adds value to the ongoing research related to EKC.

Details

Indian Growth and Development Review, vol. 17 no. 3
Type: Research Article
ISSN: 1753-8254

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Article
Publication date: 6 August 2024

Shashank Gupta, Rachana Jaiswal and Shiv Kumar Gupta

This study aims to address the need for robust conceptual foundations in the digital nomadism discourse through a systematic literature review (SLR). It delves into digital…

782

Abstract

Purpose

This study aims to address the need for robust conceptual foundations in the digital nomadism discourse through a systematic literature review (SLR). It delves into digital nomadism within sustainable tourism, providing valuable insights to foster community development.

Design/methodology/approach

This study uses a rigorous eight-step process that combines an SLR and a system dynamics approach. In the SLR phase, the authors use the theory, context, characteristics and methodology framework to identify key variables for a dynamic model of sustainable tourism through digital nomadism, following detailed search and selection criteria based on PRISMA guidelines. The second phase uses causal loop diagrams (CLDs) from the literature review to visualize relationships and inform future research directions. The CLD model is validated through literature-based and stakeholder interaction processes, focusing on the social, economic and environmental dimensions, resulting in the development of a robust conceptual model.

Findings

This study identified 28 theories, including agency–structure theory, travel career ladder theory, stakeholder theory and grounded theory, among others. Semi-structured interviews were the primary research method. Major themes explored encompass community interactions, work lifestyles, cultural aspects, financial considerations, infrastructure and policy. The proposed conceptual model aims to scrutinize relationships across economic, environmental and social dimensions, providing a foundation for investigating and promoting sustainable tourism.

Research limitations/implications

Policy implications involve refining taxation policies to maintain tax bases, promoting collaborative economic models and enforcing environmental regulations. Additionally, integrating community planning infrastructure and implementing demographic strategies to manage potential population shifts are crucial. Policies supporting education, skill transfer, health and well-being initiatives contribute significantly to fostering sustainable tourism practices and enhancing community vitality.

Originality/value

To the best of authors’ knowledge, this study is the first in the digital nomadism space to propose a conceptual model for sustainable tourism adoption.

目的

本研究通过系统的文献综述解决了数字游牧话语中对坚实概念基础的需求。它深入研究了可持续旅游业中的数字游牧主义, 为促进社区发展提供了宝贵的见解。

设计/方法论/方法

本研究采用严格的八步流程, 结合了系统文献综述(SLR)和系统动力学方法。在 SLR 阶段, 我们利用 TCCM 框架, 遵循基于 PRISMA 指南的详细搜索和选择标准, 通过数字游牧主义确定可持续旅游业动态模型的关键变量。第二阶段利用文献综述中的因果循环图(CLD)来可视化关系并为未来的研究方向提供信息。 CLD 模型通过基于文献和利益相关者互动过程进行验证, 重点关注社会、经济和环境维度, 从而开发出稳健的概念模型。

研究结果

本研究确定了 28 种理论, 包括代理结构理论、旅游职业阶梯理论、利益相关者理论和扎根理论等。半结构化访谈是主要的研究方法。探讨的主要主题包括社区互动、工作生活方式、文化方面、财务考虑、基础设施和政策。提出的概念模型旨在审查经济、环境和社会维度之间的关系, 为调查和促进可持续旅游业提供基础。

研究局限性/影响

政策影响包括完善税收政策以维持税基、促进协作经济模式以及执行环境法规。此外, 整合社区规划基础设施和实施人口战略以管理潜在的人口变化也至关重要。支持教育、技能转让、健康和福祉举措的政策对促进可持续旅游实践和增强社区活力做出了重大贡献。

原创性/价值

据作者所知, 这项研究是数字游牧领域第一个提出可持续旅游业概念模型的研究。

Propósito

Este estudio aborda la necesidad de fundamentos conceptuales sólidos en el discurso del nomadismo digital, mediante una revisión sistemática de la literatura. Profundiza en el nomadismo digital dentro del turismo sostenible, proporcionando un conocimiento valioso para fomentar el desarrollo comunitario.

Diseño/Metodología/Enfoque

Este estudio emplea un riguroso proceso de ocho pasos que combina una revisión sistemática de la literatura (SLR) y un enfoque de dinámica de sistemas. En la fase SLR, utilizamos el marco Teoría-Contexto-Características-Metodología (TCCM) para identificar variables clave para un modelo dinámico de turismo sostenible a través del nomadismo digital, siguiendo criterios detallados de búsqueda y selección basados en las directrices del método de elementos de notificación preferidos para revisiones sistemáticas y metaanálisis (PRISMA). La segunda fase utiliza diagramas de bucles causales (CLD) a partir de la revisión de la literatura para visualizar las relaciones e informar sobre futuras direcciones de investigación. El modelo CLD se valida mediante procesos basados en la literatura y en la interacción con las partes interesadas, centrándose en las dimensiones social, económica y medioambiental, lo que da como resultado el desarrollo de un modelo conceptual sólido.

Hallazgos

Este estudio identificó 28 teorías, entre ellas la teoría de la estructura de agencia, la teoría de la carrera profesional en los viajes, la teoría de las partes interesadas y la teoría fundamentada. Las entrevistas semiestructuradas fueron el método de investigación primordial. Los principales temas explorados abarcan las interacciones comunitarias, los estilos de vida laborales, los aspectos culturales, las consideraciones financieras, la infraestructura y la política. El modelo conceptual propuesto tiene como objetivo examinar las relaciones entre las dimensiones económica, medioambiental y social, proporcionando una base para investigar y promover el turismo sostenible.

Limitaciones/implicaciones

Las implicaciones políticas conllevan el perfeccionamiento de las políticas fiscales para mantener las bases impositivas, el fomento de modelos económicos colaborativos y el cumplimiento de la normativa medioambiental. Además, es fundamental integrar la infraestructura de planificación comunitaria y aplicar estrategias demográficas para gestionar los posibles cambios en la población. Las políticas de apoyo a las iniciativas de educación, transferencia de habilidades, salud y bienestar contribuyen significativamente a fomentar prácticas de turismo sostenible y a mejorar la vitalidad de la comunidad.

Originalidad/Valor

Hasta donde el autor sabe, este estudio es el primero en el espacio del nomadismo digital que propone un modelo conceptual para la adopción del turismo sostenible.

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Article
Publication date: 5 June 2018

Jorge Alejandro Silva Rodríguez de San Miguel, Mara Maricela Trujillo Flores and Fernando Lambarry-Vilchis

The purpose of this paper is to analyse the measures taken by both the federal government of Mexico and its municipalities in relation to the country’s urban water supply and its…

445

Abstract

Purpose

The purpose of this paper is to analyse the measures taken by both the federal government of Mexico and its municipalities in relation to the country’s urban water supply and its management to improve it.

Design/methodology/approach

The PRISMA guidelines were chosen as the framework for this systematic review of the available literature on urban water supply in Mexico, considering the most important and relevant legal and institutional considerations. They were paired with critical qualitative review. Overall, 21 main documents, between 2000 and 2016, were acceptable for inclusion.

Findings

The review closes by proposing that the approach, at present, is excessively rigid, and that greater flexibility would permit municipalities to identify more suitable means of managing their own water supplies with minimal support from the federal government.

Originality/value

Several research articles have been written about the general nature of Mexico’s urban water supply and management at present. However, no attempt has been made to synthesise the evidence and arguments made in this significant body of research. Thus, the key purpose of this review is to do that with the intention of proposing a shift in the country’s approach to urban water management.

Details

Management of Environmental Quality: An International Journal, vol. 29 no. 5
Type: Research Article
ISSN: 1477-7835

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Book part
Publication date: 12 January 2021

José-Luis Méndez

Departing from a so-called “modern civil service” as an ideal type, this chapter evaluates the status of public personnel management in Latin America. Such an ideal model is…

Abstract

Departing from a so-called “modern civil service” as an ideal type, this chapter evaluates the status of public personnel management in Latin America. Such an ideal model is considered a mix between the organizational principles of the traditional civil service and those of the new public management perspective. First, the chapter presents the different phases that public management practices have undergone in some developed countries. Secondly, following several studies and data provided by the IADB, the level of development of several civil service systems in Latin America is analyzed and several of their construction–destruction–reconstruction patterns are presented. Lastly, the cases that most approach a modern civil service are discussed and some recommendations offered to reformers in this region.

Details

The Emerald Handbook of Public Administration in Latin America
Type: Book
ISBN: 978-1-83982-677-1

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Publication date: 28 November 2022

Pedro Vázquez and Miguel Méndez

The board of directors of a firm is a governing body exercising key top-level decisions. Due to the involvement of the controlling families, boards of directors of family firms…

Abstract

The board of directors of a firm is a governing body exercising key top-level decisions. Due to the involvement of the controlling families, boards of directors of family firms have been found to behave differently than those of other organizations. Besides family control, national and/or regional contexts have been suggested to influence how companies are governed. Boards of directors of family firms have been studied mostly in developed regions and knowledge from developing regions such as Latin America is scarce. This chapter summarizes the main findings about boards of directors in family firms and compares this research with our knowledge from Latin America. It discusses the different challenges and opportunities that owners of family firms and boards of directors face in the Latin American context. Finally, it suggests that research on boards of directors of family firms in Latin America has a very promising future as it still has to validate and/or contextualize findings in developed regions, overcome some theoretical and empirical limitations, explore some salient characteristics related to the institutional context in depth, and provide recommendations linking board characteristics and firm performance.

Details

Family Business Debates
Type: Book
ISBN: 978-1-80117-667-5

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