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Tesis y artículos académicos

En esta colección encontrarás los productos de investigación académica de beneficiarios de COLFUTURO y Fulbright, en diversas disciplinas, como arte, biología, administración e ingeniería.

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    • Otros
    • 1225 Tesis
    • 5 Audios
    • 820 Artículos
  • Creada el:
    • 15 de Julio de 2019
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El paisa : pasillo / Lucho Bermúdez

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La negra Matilde : canto negro / Lucho Bermúdez

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Imagen de apoyo de Intra and intergenerational transfers: the case of The Netherlands for the first pillar of pensions = Transferencias intra e intergeneracionales en el sistema de pensiones público en Holanda

Intra and intergenerational transfers: the case of The Netherlands for the first pillar of pensions = Transferencias intra e intergeneracionales en el sistema de pensiones público en Holanda

Por: Carlos Andrés Hernández García | Fecha: 2012

Since the creation of the Old Age Pension scheme (Algemene Ouderdomswet, henceforth; AOW) in 1957 some important changes in its regulation have taken place. The purpose of this study is to analyse the redistribution of income for different individuals in the AOW taking into account these changes in regulation and different groups of individuals according to their gender, civil status and income. This comparison is made by using the Generational Accounts approach, initially presented by Auerbach (1991), in which the Net Present Value of the pension benefits received by every individual from the system is subtracted from the Net Present Value of the contributions paid to the system. In this study the database IPO, Documentatierapport Inkomenspanelonderzoek from CBS, Statistics Netherlands, has been used for some specific years after 1977. For the data of 2008 onwards the future contributions and benefits of the individuals will be projected according to the forecasts of the wage increases and pension benefits. A sensitivity analysis is also performed in order to check the changes in the Generational Accounts of the individuals with different discount rates and including the effects of the New Pension Contract.
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  • Economía

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Intra and intergenerational transfers: the case of The Netherlands for the first pillar of pensions = Transferencias intra e intergeneracionales en el sistema de pensiones público en Holanda

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Imagen de apoyo de Cross-border M&A and the impact of cultural differences. The Latin American case

Cross-border M&A and the impact of cultural differences. The Latin American case

Por: Daniel Guardiola Fernández | Fecha: 2012

Over the last decade, the Latin American Cross-Border M&A activity experienced a significant increase in terms of volume, value, and complexity. Between 2002 and 2011, 1483 M&A announcements involving Latin American bidders were found in this study. From this sample 344 were targeting companies in a foreign country. With the purpose of measuring to what extent CB-M&A can be a catalyst of value creation or destruction for the bidder in the short-term, the event study methodology was employed in a sample of 47 observations. I found that on average, the market reaction is positive after the announcement, leading to the short-term value creation for the Latin American acquirers. Regarding the allocation of investments in terms of geographies, the outcome shows that bidders tend to favor countries with similar cultural values and geographically close. The Hofstede’s cultural dimensions along with additional factors such as language, legal origins, and religion were analyzed in order to evaluate to what degree cultural differences affect cross-border acquisitions. However much the results are not statistically significant, it appears that cultural differences tend to have a negative effect on the bidder’s short-term performance.
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  • Economía

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Cross-border M&A and the impact of cultural differences. The Latin American case

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Imagen de apoyo de Valuing children at school: Case Study of two primary school classrooms in a West London school = Valorando a los niños en el colegio: estudio de caso en dos salones de clase de una escuela primaria en Londres

Valuing children at school: Case Study of two primary school classrooms in a West London school = Valorando a los niños en el colegio: estudio de caso en dos salones de clase de una escuela primaria en Londres

Por: Luz Adriana Chávez Villegas | Fecha: 2006

The study will be based on an anthropological view of learning in which the central idea is to find out how people become to be who they are. On that account, it will be interested in the social influences of the environment people are settled in, as well as the individual’s agency in their process of making sense of their experience. The discovery of the common practices individuals execute at a particular setting –as it is the school- will be one of the aims of this study that is to contribute to the revelation of the social relations structured within the community. Studying deeper these social relations structured in practice (Lave & Wegner, 1991) and in the material dispositions, will bring us to an understanding of how people are valued in the specific situations inside a particular society. On that account, I am concerned with the idea of what it means to be a child and how children come, in particular contexts, like educational institutions, to be valued in historically specific ways. Taking two primary school classrooms in a West London school as my case study, I analyse how value is created as the outcome of socially structured processes of interaction between teachers and children and between children themselves. Comparing and contrasting the teachers’ ideas of what makes children valued at school, I describe how the structuring influence exerted by the teachers in the classroom infringe on the formation of friendship relations among the children. 
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Valuing children at school: Case Study of two primary school classrooms in a West London school = Valorando a los niños en el colegio: estudio de caso en dos salones de clase de una escuela primaria en Londres

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Imagen de apoyo de Strategic service management for platforms in the decline stage and post product life cycle at ASML = Gestión estratégica de servicios logísticos para maquinaria a lo largo del ciclo de vida del producto

Strategic service management for platforms in the decline stage and post product life cycle at ASML = Gestión estratégica de servicios logísticos para maquinaria a lo largo del ciclo de vida del producto

Por: Juan Pablo Rolón Paz | Fecha: 2011

In order to receive the title of Master of Science in Industrial Engineering and Management, the author Juan Pablo Rolón Paz, developed the current Master Thesis, which by the hand of the Dutch company ASML Holding, identified, described and analysed strategies to service generations of machines developed by ASML, now referred as platforms, during the decline stage and post Product Life Cycle (PLC). ASML is a company that designs, develops, integrates, markets and services machines to create chips that power electronic, communications, and information technology products. The services provided by ASML include spare parts, tooling and labour. ASML is characterised to offer perpetual support for their products. They service their recently released equipment, to the ones developed over the life of the company. In this light, ASML wants to identify strategies to service their platforms during the decline stage of product life cycle. This means, strategies to service their aged platforms. ASML is interested in identifying the criteria for deciding whether to stop offering their service products or not, and in the situation they agree to stop offering their service products, what approaches to take regarding post PLC.  To identify strategies to service platforms in the decline stage and post PLC, we decided to do a literature and benchmarking study, to get the best practices in service management, service parts management and service parts logistics for aged products. We met with people within ASML, and people of other companies in The Netherlands, and the United States of America. The results were triangulated with the information gathered through the literature research, meetings with experts on product life cycle and spare parts management, and having feedback from managerial people of ASML. In the next chapter, we define the research, developing the research statement, objectives, questions, scope, delineation, deliverables, method and structure.
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  • Ingeniería

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Strategic service management for platforms in the decline stage and post product life cycle at ASML = Gestión estratégica de servicios logísticos para maquinaria a lo largo del ciclo de vida del producto

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Imagen de apoyo de Environmental policy integration in Colombia’s large-scale mining sector. Does the idea of an environmentally responsible mining proposed by Colombia’s National Development Plan lead to environmental policy integration?

Environmental policy integration in Colombia’s large-scale mining sector. Does the idea of an environmentally responsible mining proposed by Colombia’s National Development Plan lead to environmental policy integration?

Por: Santiago Briceño Flórez | Fecha: 2013

On the basis of Colombia´s National Development Plan – NDP (2010-2014), this paper assesses whether the idea of an environmentally responsible mining is leading to Environmental Policy Integration (EPI) in Colombia’s Large-scale mining sector. From a political ecology perspective, the literature review discusses the concept of responsibility in the context of environmental governance. Beyond the EU and OECD jurisdictions, this represents a useful theoretical approach to consider EPI as a principle, its institutional features and the main challenges to enable policy learning between different stakeholders. Complemented with primary and secondary data, the proposed assessment is performed. Conclusions and policy implications suggest that Colombia´s NDP represents a valuable platform setting the main institutional factors for EPI, despite the existence of major barriers impeding to advance in a long and challenging policy-learning process.
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Environmental policy integration in Colombia’s large-scale mining sector. Does the idea of an environmentally responsible mining proposed by Colombia’s National Development Plan lead to environmental policy integration?

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Imagen de apoyo de Attitudes towards body size and physical appearance among Colombian and American college students:A Multi-cultural Study = Actitudes hacia el tamaño del cuerpo y apariencia fisica en estudiantes universitarios Colombianos y Americanos: Un Estudio Multi-C

Attitudes towards body size and physical appearance among Colombian and American college students:A Multi-cultural Study = Actitudes hacia el tamaño del cuerpo y apariencia fisica en estudiantes universitarios Colombianos y Americanos: Un Estudio Multi-C

Por: Natalia Rojas Segura | Fecha: 2009

The current study analyzed attitudes towards size and physical appearance among four hundred and seventy Colombian and two hundred and ten American college students. The effects of gender and culture (and their interaction) on thin ideal internalization, sociocultural pressure to be thin, and body image dissatisfaction were examined in the sample.  Results from the study showed that there are differences between gender and country: Colombian students perceived themselves as having a better body image overall compared to American students; females from both countries had a lower body image satisfaction compared to males. Surprisingly, males from both countries worry about their physical size and appearance. Implications for future research include validating instruments especially for a Colombian population, as well as continuing to include males in studies related to body image and eating disorders because it was found that they were also unsatisfied with their overall body image. 
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  • Medicina

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Attitudes towards body size and physical appearance among Colombian and American college students:A Multi-cultural Study = Actitudes hacia el tamaño del cuerpo y apariencia fisica en estudiantes universitarios Colombianos y Americanos: Un Estudio Multi-C

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Imagen de apoyo de The American Dream’s Sojourn in Latin America: the dynamics of irregular and mixed migration flows through Ecuador and Colombia = La suspensión del sueño americano en Latinoamerica: las dinámicas de los flujos migratorios irregulares y mixtos

The American Dream’s Sojourn in Latin America: the dynamics of irregular and mixed migration flows through Ecuador and Colombia = La suspensión del sueño americano en Latinoamerica: las dinámicas de los flujos migratorios irregulares y mixtos

Por: Ursula Bianca Wagner | Fecha: 2011

Scholars generally agree that irregular migration is the direct consequence of the restrictionist and containment policies that have been used by states to keep immigrants outside their borders. This creates a dynamic that has three significant parts. First, restrictive border policies and practices drive refugees, asylum-seekers, and other migrants to resort to the use of irregular migration in order to reach their destinations. Second, the use of this type of migration, in particular the use of human smugglers, criminalizes and de-legitimizes refugees and asylum-seekers, and consequently third, this continues to legitimize states’ restrictionist practices. This dissertation argues that the dynamic described above is either 1) facilitated by media discourses and constructed to portray irregular migrants as a social and economic threat or 2) challenged by media discourses portraying irregular migrants as helpless victims. This dissertation explains the above-mentioned dynamics by examining the cases of Colombia and Ecuador and by providing a critical discourse analysis of written media in both countries.
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The American Dream’s Sojourn in Latin America: the dynamics of irregular and mixed migration flows through Ecuador and Colombia = La suspensión del sueño americano en Latinoamerica: las dinámicas de los flujos migratorios irregulares y mixtos

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Imagen de apoyo de Evaluation of Activated Carbon for Treating Heavy Metals in Aquaculture

Evaluation of Activated Carbon for Treating Heavy Metals in Aquaculture

Por: William Camargo Navarro | Fecha: 1995

Aquaculture operations over the years have suffered a dramatic change because of the increasing levels of industrial and agricultural contaminants in the aquatic environment. Several methods have been studied to reduce the negative contribution of contaminated effluents in the ecosystem. The method studied in this research was the use of activated carbon sorption as a feasible method to reduce the influent and effluent load of heavy metals and other harmful pollutants present mainly in fresh water aquaculture installations. The sorption of Cd, Cu, Ni, Hg, Pb, and phenol-based compounds was evaluated using batch adsorption isotherms and breakthrough experiments in packed GAC vertical columns. Both experimental facets are commonly used as scaling up techniques in the waste water treatment technology. Adsorption of Cd, Cu, Pb, and phenol occurred at different rates for each toxic contaminant, with Cd being the most readily adsorbed pollutant. The analytical determination of nickel and mercury presented some difficulties, possibly due to the analytical procedures followed. Analysis of the breakthrough curves for Cd, Cu, Ni, Pb and phenol, after the samples were passed through the columns showed that the concentration of all contaminants was reduced to a minimum value. These results support similar conclusions mentioned by several authors in the literature. The results of this research proved that activated carbon technology can be applied in aquaculture; its use however will be limited because of the high costs involved in design and development, particularly in large scale aquaculture practices.
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Evaluation of Activated Carbon for Treating Heavy Metals in Aquaculture

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