Search results

Presents numerical aspects of the program CODE_BRIGHT, which is a simulator for COupled DEformation, BRIne, Gas and Heat transport problems. It solves the equations of mass and energy balance and stress equilibrium and, originally, it was developed for saline media. The governing equations also include a set of constitutive laws and equilibrium conditions. The main peculiarities of saline media are in the dissolution/precipitation phenomena, presence of brine inclusions in the solid salt and creep deformation of the solid matrix.

This chapter deals with the development of banking in the Crown of Aragon from the end of the thirteenth century through the establishment of money changers, which followed similar patterns as in other Western European territories. It starts with a review of existing literature and follows with an explanation on the different banking services provided by money changers and the specific legal framework that supported such activities. It then examines the geographical distribution of private banks in cities and towns within the domains of the kings of Aragon, as well as their evolution throughout the fourteenth century. After that, it offers an analysis of the most common professional profiles among these bankers and financers. Finally, drawing on a heterogeneous pool of unpublished data, it seeks to shed light on the diversity of investors and clients of these establishments, a crucial proof of their role in integrated financial markets.

The purpose of this paper is to explore the possibilities for expansive learning during organisational change. It considers the introduction of “lean production” as a disturbance to the existing work practices.

The paper considers two case studies of “lean production” training with production workers in manufacturing firms. Data for the study consisted of semi-structured interviews, observations of workers during work and training. Engeström’s third-generation cultural historical activity theory was used as the key theoretical tool for analysis.

The study found that the introduction of and training for “lean production” did not lead to expansive learning. The training did not afford spaces to address the fundamental contradictions between the “earning a living” and ”productivity” motives of work.

Further research on the different kinds of “spaces” for learning could lead to greater insights into the affordances of expansive learning in workplaces. In particular, the concept of “third space” is useful in such an endeavour.

Training designed to increase productivity could integrate more discussions about what workers themselves should expect to gain from increased productivity.

The paper presents a critical perspective on recent case studies of workplace training at a time when workforce development and “lean production” are uncritically promulgated as beneficial. It highlights the opportunities that exist for critical educators to make interventions in the interests of the workers.

The current relationship between humans and nature is complex and tense. Overexploitation of natural resources, pollution, climate change and biodiversity loss present the main challenges for modern society. In particular, the issue of climate change is being intensely debated, and the interest in protecting natural resources by adopting sustainable practices is growing. Therefore, this chapter examines a brief history and concept of climate change, reviewing relevant theories and authors from Svante Arrhenius and Guy Stewart Callendar to Charles David Keeling and Mikhail Budyko. This chapter explores the first measurements and warnings regarding climate crisis and reviews international treaties and policy development at local, national and global levels. Furthermore, adverse consequences of the climate crisis are described, and ecologism, eco-imperialism and climate change denialism are explained.

This study aims to investigate the implementation of lean human resource management (HRM) practices in manufacturing small- and medium-sized enterprises (SMEs) and explore how various factors interact to influence their successful adoption. By exploring the interplay among these factors, the research seeks to identify key drivers affecting the adoption of lean HRM in manufacturing SMEs. Ultimately, the research intends to provide insights that can guide organisations, practitioners and policymakers in effectively implementing lean HRM practices to enhance operational efficiency, workforce engagement and competitiveness within the manufacturing SME sector.

The study combined total interpretive structural modelling (TISM) and Matrice d'Impacts Croisés Multiplication Appliquée à un Classement (MICMAC) analysis. TISM helped in understanding the hierarchical relationship among different factors influencing lean HRM implementation, whereas MICMAC analysis provided insights into the level of influence and dependence of each factor on others.

The research revealed that “top management support” emerged as the most independent factor, indicating that strong support from top management is crucial for initiating and sustaining lean HRM practices in manufacturing SMEs. On the other hand, “employee involvement and empowerment” was identified as the most dependent factor, suggesting that fostering a culture of employee engagement and empowerment greatly relies on the successful implementation of lean HRM practices.

While the study provided valuable insights, it has certain limitations. The research was conducted within the specific context of manufacturing SMEs, which might limit the generalizability of the findings to other industries. Expert opinions introduce subjectivity in data collection. Additionally, the study may not cover all critical factors, allowing room for further exploration in future research.

The findings have practical implications for manufacturing SMEs aiming to implement lean HRM practices. Recognising the pivotal role of top management support, organisations should invest in cultivating a strong leadership commitment to lean HRM initiatives. Furthermore, enhancing employee involvement and empowerment can lead to better adoption of lean HRM practices, resulting in improved operational efficiency and overall competitiveness.

This research contributes to the field by offering a comprehensive exploration of the interplay among factors influencing lean HRM implementation. The use of TISM and MICMAC analysis provides a unique perspective on the relationship dynamics between these factors, allowing for a nuanced understanding of their roles in the adoption of lean HRM practices in manufacturing SMEs. The identification of “top management support” as the most independent and “employee involvement and empowerment” as the most dependent factors adds original insights to the existing literature.

We use the finite element method to model the heat transfer phenomenon through permeable cracks in hydrothermal systems with upward throughflow. Since the finite element method is an approximate numerical method, the method must be validated before it is used to solve any new kind of problem. However, the analytical solution, which can be used to validate the finite element method and other numerical methods, is rather limited in the literature, especially for the problem considered here. Keeping this in mind, we have derived analytical solutions for the temperature distribution along the vertical axis of a crack in a fluid‐saturated porous layer. After the finite element method is validated by comparing the numerical solution with the analytical solution for the same benchmark problem, it is used to investigate the pore‐fluid flow and heat transfer in layered hydrothermal systems with vertical permeable cracks. The related analytical and numerical results have demonstrated that vertical cracks are effective and efficient members to transfer heat energy from the bottom section to the top section in hydrothermal systems with upward throughflow.

The aim is to analyze the armed conflict persistence in Colombia from 2008 to 2018 based on the financial viability hypothesis (rebellion occurs when war net revenue is nonnegative).

The methodology is quantitative. Firstly, a nonparametric Kaplan–Meier functions and survival risk functions are developed as initial approximation. Subsequently, a Probit model with panel data is implemented and the covariates are grouped into three dimensions: opportunity, grievance and institutional-political.

The viability hypothesis boosts the continuity of the armed conflict, which is enhanced and perpetuated by the viability and financial incentives from public revenues and natural resources, while the grievance, political fragmentation and institutional dimensions contribute to the opportunity structure in Collier that makes the conflict militarily and economically viable.

Lack of information for some states in Colombia prevents a much more holistic analysis.

Postulate what is required by the Colombian State to cut off the sources of financing of armed groups and thus, one of the determinants of the continuity of the conflict.

The political fragmentation contributes to rebellion, and that variables representing the dimensions of grievance and institutional presence contribute to the opportunity structure that makes the conflict in Colombia militarily and economically viable.

This research proposes as a novelty to incorporate the viability hypothesis with some factors related to the grievance that explain the persistence of the armed conflict as a consequence of decreasing recruitment costs for the insurgent groups, a situation that contributes to the opportunity structure and financial viability of the conflict.

Purpose – The aim of this paper is to examine the diffusion of a new surgical procedure with lower per-case cost and how its diffusion path is affected by the simultaneous introduction of a new drug class that may be an effective treatment to prevent surgery. In particular, we examine whether a process of technology substitution exists that influences the diffusion process of the surgical technology. Given their different cost implications, the interaction of these two different technologies, surgery and drug intervention, is relevant from the perspective of health expenditure. This is of particular interest in health care as technology adoption and diffusion has been cited as a major driver of expenditure growth. Such expenditure growth has been increasingly targeted through the use of market-orientated policy tools aimed at increasing efficiency. Our research is thus addressing the question of how economic incentives influence the diffusion process and we discuss the impact of a set of incentives on hospital behavior.

Design/methodology – Hospital admission data for the financial years 1998/1999 to 2007/2008 in England are used to empirically test the contribution of prescription uptake and market-oriented reforms. Dynamic panel data models are used to capture any changes in technology preference during the period of study.

Findings – Our results suggest that the hospital sector exhibits a strong new technology preference, tempered by the interaction of competition for patients and the ability of the primary care sector to substitute treatments.

Value/originality – Given the current fast technological change, we examine the technological race occurring in the health care sector. We account simultaneously for the diffusion of different technologies not only within the same typology but also with technologies of a different class.

The purpose of this paper is to examine the determinants of local public health expenditure in a decentralized health system, taking into account the electoral calendar and the effect of central and local elections, besides spatial interaction among municipalities and political alignment. The authors state that the expenditure in public health at the local level is positively influenced by vicinity and by elections calendar.

The authors performed a Spatial Durbin Model with a balanced panel using the data from 399 Brazilian municipalities from 2005 to 2012. The authors use a distance-based spatial matrix, whose choose was based on simplicity and relevance of Moran’s I and Geary’s C coefficients for spatial autocorrelation. The authors also cluster the data in the estimations, according to the distribution of regional facilities in the entire period and considering the occurrence of regionalization in public health services.

The empirical contribution lies in four issues: first, the authors demonstrate a positive spatial effect in the public health expenditure. Second, the estimations show that election-year shifts public spent, as a response for vote-seeking incumbents’ behavior. Third, reelected mayors increase local public health allocations, as well as single candidates and incumbents from the same party of central governments. Finally, populational concentration directly decreases health expenditure (even if those municipalities represent a lower unit cost of acquiring votes, the optimization of public health infrastructure and mobility in achieving public health services negatively affect health spent).

This study supports the statement that public health spent at local level is positively influenced by vicinity and by occurrence of elections.