964 resultados para Organizational Structures


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Much of the International Relations literature assumes that there is a “depth versus participation” dilemma in international politics: shallower international agreements attract more countries and greater depth is associated with less participation. We argue that this conjecture is too simple and probably misleading because the depth of any given cooperative effort is in fact multidimensional. This multidimensionality manifests itself in the design characteristics of international agreements: in particular, the specificity of obligations, monitoring and enforcement mechanisms, dispute settlement mechanisms, positive incentives (assistance), and organizational structures (secretariats). We theorize that the first three of these design characteristics have negative and the latter three have positive effects on participation in international cooperative efforts. Our empirical testing of these claims relies on a dataset that covers more than 200 global environmental treaties. We find a participation-limiting effect for the specificity of obligations, but not for monitoring and enforcement. In contrast, we observe that assistance provisions in treaties have a significant and substantial positive effect on participation. Similarly, dispute settlement mechanisms tend to promote treaty participation. The main implication of our study is that countries do not appear to stay away from agreements with monitoring and enforcement provisions, but that the inclusion of positive incentives and dispute settlement mechanisms can promote international cooperation. In other words, our findings suggest that policymakers do not necessarily need to water down global treaties in order to obtain more participation.

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The Business and Information Technologies (BIT) project strives to reveal new insights into how modern IT impacts organizational structures and business practices using empirical methods. Due to its international scope, it allows for inter-country comparison of empirical results. Germany — represented by the European School of Management and Technologies (ESMT) and the Institute of Information Systems at Humboldt-Universität zu Berlin — joined the BIT project in 2006. This report presents the result of the first survey conducted in Germany during November–December 2006. The key results are as follows: • The most widely adopted technologies and systems in Germany are websites, wireless hardware and software, groupware/productivity tools, and enterprise resource planning (ERP) systems. The biggest potential for growth exists for collaboration and portal tools, content management systems, business process modelling, and business intelligence applications. A number of technological solutions have not yet been adopted by many organizations but also bear some potential, in particular identity management solutions, Radio Frequency Identification (RFID), biometrics, and third-party authentication and verification. • IT security remains on the top of the agenda for most enterprises: budget spending was increasing in the last 3 years. • The workplace and work requirements are changing. IT is used to monitor employees' performance in Germany, but less heavily compared to the United States (Karmarkar and Mangal, 2007).1 The demand for IT skills is increasing at all corporate levels. Executives are asking for more and better structured information and this, in turn, triggers the appearance of new decision-making tools and online technologies on the market. • The internal organization of companies in Germany is underway: organizations are becoming flatter, even though the trend is not as pronounced as in the United States (Karmarkar and Mangal, 2007), and the geographical scope of their operations is increasing. Modern IT plays an important role in enabling this development, e.g. telecommuting, teleconferencing, and other web-based collaboration formats are becoming increasingly popular in the corporate context. • The degree to which outsourcing is being pursued is quite limited with little change expected. IT services, payroll, and market research are the most widely outsourced business functions. This corresponds to the results from other countries. • Up to now, the adoption of e-business technologies has had a rather limited effect on marketing functions. Companies tend to extract synergies from traditional printed media and on-line advertising. • The adoption of e-business has not had a major impact on marketing capabilities and strategy yet. Traditional methods of customer segmentation are still dominating. The corporate identity of most organizations does not change significantly when going online. • Online sales channel are mainly viewed as a complement to the traditional distribution means. • Technology adoption has caused production and organizational costs to decrease. However, the costs of technology acquisition and maintenance as well as consultancy and internal communication costs have increased.

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BACKGROUND National safety alert systems publish relevant information to improve patient safety in hospitals. However, the information has to be transformed into local action to have an effect on patient safety. We studied three research questions: How do Swiss healthcare quality and risk managers (qm/rm(1)) see their own role in learning from safety alerts issued by the Swiss national voluntary reporting and analysis system? What are their attitudes towards and evaluations of the alerts, and which types of improvement actions were fostered by the safety alerts? METHODS A survey was developed and applied to Swiss healthcare risk and quality managers, with a response rate of 39 % (n=116). Descriptive statistics are presented. RESULTS The qm/rm disseminate and communicate with a broad variety of professional groups about the alerts. While most respondents felt that they should know the alerts and their contents, only a part of them felt responsible for driving organizational change based on the recommendations. However, most respondents used safety alerts to back up their own patient safety goals. The alerts were evaluated positively on various dimensions such as usefulness and were considered as standards of good practice by the majority of the respondents. A range of organizational responses was applied, with disseminating information being the most common. An active role is related to using safety alerts for backing up own patient safety goals. CONCLUSIONS To support an active role of qm/rm in their hospital's learning from safety alerts, appropriate organizational structures should be developed. Furthermore, they could be given special information or training to act as an information hub on the issues discussed in the alerts.

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Prominent challenges facing nurse leaders are the growing shortage of nurses and the increasingly complex care required by acutely ill patients. In organizations that shortage is exacerbated by turnover and intent to leave. Unsatisfactory working conditions are cited by nurses when they leave their current jobs. Disengagement from the job leads to plateaued performance, decreased organizational commitment, and increased turnover. Solutions to these challenges include methods both to retain and to increase the effectiveness of each nurse. ^ The specific aim of this study was to examine the relationships among organizational structures thought to foster the clinical development of the nurse, with indicators of the development of clinical expertise, resulting in outcomes of positive job attitudes and effectiveness. Causal loop modeling is incorporated as a systems tool to examine developmental cycles both for an organization and for an individual nurse to look beyond singular events and investigate deeper patterns that emerge over time. ^ The setting is an academic specialty-care institution, and the sample in this cross-sectional study consists of paired data from 225 RNs and their nurse managers. Two panels of survey instruments were created based on the model's theoretical variables, one completed by RNs and the other by their Nurse Managers. The RN survey panel examined the variables of structural empowerment, magnet essentials, knowledge as identified by the Benner developmental stage, psychological empowerment, job stage, engagement, intent to leave, job satisfaction and the early recognition of patient complications. The nurse manager survey panel examined the Benner developmental stage, job stage, and overall level of nursing performance. ^ Four regression models were created based on the outcome variables. Each model identified significant organizational and individual characteristics that predicted higher job satisfaction, decreased intent to leave, more effectiveness as measured by early recognition and acting upon subtle patient complications, and better job performance. ^ Implications for improving job attitudes and effectiveness focus on ways that nursing leaders can foster a more empowering and healthy work environment. ^

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Sri Lanka as a developing economy that achieved gender equity in education and a higher literacy rate (both adult and youth) in the South Asian region still records a low labor force participation and high unemployment rate of females when compared to their male counterparts. With the suggestion of existing literature on the non-conventional models of careers those adopted by young and female populations at the working age, this paper discusses the role of work organizations in absorbing more females (and even minority groups) into the workforce. It mainly focuses on the need of designing appropriate human resource strategies and reforming the existing organizational structures in order for contributing to the national development in the post-war Sri Lanka economy.

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El sector de la edificación es uno de los principales sectores económicos en España y, además, es un componente básico de la actividad económica y social, debido a su importante papel como generador de empleo, proveedor de bienes e incentivador del crecimiento. Curiosamente, es uno de los sectores con menos regulación y organización y que, además, está formado mayoritariamente por empresas de pequeña y mediana dimensión (pymes) que, por su menor capacidad, a menudo, se quedan detrás de las grandes empresas en términos de adopción de soluciones innovadoras. La complejidad en la gestión de toda la información relacionada con un proyecto de edificación ha puesto de manifiesto claras ineficiencias que se traducen en un gasto innecesario bastante representativo. La información y los conocimientos aprendidos rara vez son transmitidos de una fase a otra dentro del proyecto de edificación y, mucho menos, reutilizados en otros proyectos similares. De este modo, no sólo se produce un gasto innecesario, sino que incluso podemos encontrar información contradictoria y obsoleta y, por tanto, inútil para la toma de decisiones. A lo largo de los años, esta situación ha sido motivada por la propia configuración del sector, poniendo de manifiesto la necesidad de una solución que pudiera solventar este reto de gestión interorganizacional. Así, la cooperación interorganizacional se ha convertido en un factor clave para mejorar la competitividad de las organizaciones, típicamente pymes, que componen el sector de la edificación. La información es la piedra angular de cualquier proceso de negocio. Durante la última década, una amplia gama de industrias han experimentado importantes mejoras de productividad con la aplicación eficiente de las TIC, asociadas, principalmente, a incrementos en la velocidad de proceso de información y una mayor coherencia en la generación de datos, accesibilidad e intercambio de información. La aplicación eficaz de las TIC en el sector de la edificación requiere una combinación de aspectos estratégicos y tácticos, puesto que no sólo se trata de utilizar soluciones puntuales importadas de otros sectores para su aplicación en diferentes áreas, sino que se buscaría que la información multi-agente estuviera integrada y sea coherente para los proyectos de edificación. El sector de la construcción ha experimentado un descenso significativo en los últimos años en España y en Europa como resultado de la crisis financiera que comenzó en 2007. Esta disminución está acompañada de una baja penetración de las TIC en la interorganizacionales orientadas a los procesos de negocio. El descenso del mercado ha provocado una desaceleración en el sector de la construcción, donde sólo las pymes flexibles han sido capaces de mantener el ritmo a pesar de la especialización y la innovación en los servicios adaptados a las nuevas demandas del mercado. La industria de la edificación está muy fragmentada en comparación con otras industrias manufactureras. El alto grado de esta fragmentación está íntimamente relacionado con un impacto significativo en la productividad y el rendimiento. Muchos estudios de investigación han desarrollado y propuesto una serie de modelos de procesos integrados. Por desgracia, en la actualidad todavía no se está en condiciones para la formalización de cómo debe ser la comunicación y el intercambio de información durante el proceso de construcción. El paso del proceso secuencial tradicional a los procesos de interdependencia recíproca sin lugar a duda son una gran demanda asociada a la comunicación y el flujo de información en un proyecto de edificación. Recientemente se está poniendo mucho énfasis en los servicios para el hogar como un primer paso hacia esta mejora en innovación ya que la industria de los servicios digitales interactivos tiene un alto potencial para generar innovación y la ventaja estratégica para las empresas existentes. La multiplicidad de servicios para el hogar digital (HD) y los proveedores de servicios demandan, cada vez más, la aparición de una plataforma capaz de coordinar a todos los agentes del sector con el usuario final. En consecuencia, las estructuras organizacionales tienden a descentralizarse en busca de esa coordinación y, como respuesta a esta demanda, se plantea, también en este ámbito, el concepto de cooperación interorganizacional. Por lo tanto, ambos procesos de negocio -el asociado a la construcción y el asociado a la provisión de servicios del hogar digital, también considerado como la propia gestión de ese hogar digital o edificio, inteligente o no- deben de ser vistos en su conjunto mediante una plataforma tecnológica que les dé soporte y que pueda garantizar la agregación e integración de los diversos procesos, relacionados con la construcción y gestión, que se suceden durante el ciclo de vida de un edificio. Sobre esta idea y atendiendo a la evolución permanente de los sistemas de información en un entorno de interrelación y cooperación daría lugar a una aplicación del concepto de sistema de información interorganizacional (SIIO). El SIIO proporciona a las organizaciones la capacidad para mejorar los vínculos entre los socios comerciales a lo largo de la cadena de suministro, por lo que su importancia ha sido reconocida por organizaciones de diversos sectores. Sin embargo, la adopción de un SIIO en diferentes ámbitos ha demostrado ser complicada y con una alta dependencia de las características particulares de cada sector, siendo, en este momento, una línea de investigación abierta. Para contribuir a esta línea de investigación, este trabajo pretende recoger, partiendo de una revisión de la literatura relacionada, un enfoque en un modelo de adopción de un SIIO para el objeto concreto de esta investigación. El diseño de un SIIO está basado principalmente, en la identificación de las necesidades de información de cada uno de sus agentes participantes, de ahí la importancia en concretar un modelo de SIIO en el ámbito de este trabajo. Esta tesis doctoral presenta el modelo de plataforma virtual de la asociación entre diferentes agentes del sector de la edificación, el marco de las relaciones, los flujos de información correspondientes a diferentes procesos y la metodología que subyace tras el propio modelo, todo ello, con el objeto de contribuir a un modelo unificado que dé soporte tanto a los procesos relacionados con la construcción como con la gestión de servicios en el hogar digital y permitiendo cubrir los requisitos importantes que caracterizan este tipo de proyectos: flexibilidad, escalabilidad y robustez. El SIIO se ha convertido en una fuente de innovación y una herramienta estratégica que permite a las pymes obtener ventajas competitivas. Debido a la complejidad inherente de la adopción de un SIIO, esta investigación extiende el modelo teórico de adopción de un SIIO de Kurnia y Johnston (2000) con un modelo empírico para la caracterización de un SIIO. El modelo resultante tiene como objetivo fomentar la innovación de servicios en el sector mediante la identificación de los factores que influyen en la adopción de un SIIO por las pymes en el sector de la edificación como fuente de ventaja competitiva y de colaboración. Por tanto, esta tesis doctoral, proyectada sobre una investigación empírica, proporciona un enfoque para caracterizar un modelo de SIIO que permita dar soporte a la gestión integrada de los procesos de construcción y gestión de servicios para el hogar digital. La validez del modelo de SIIO propuesto, como fuente y soporte de ventajas competitivas, está íntimamente relacionada con la necesidad de intercambio de información rápido y fiable que demandan los agentes del sector para mejorar la gestión de su interrelación y cooperación con el fin de abordar proyectos más complejos en el sector de la edificación, relacionados con la implantación del hogar digital, y contribuyendo, así a favorecer el desarrollo de la sociedad de la información en el segmento residencial. ABSTRACT The building industry is the largest industry in the world. Land purchase, building design, construction, furnishing, building equipment, operations maintenance and the disposition of real estate have an unquestionable prominence not only at economic but also at social level. In Spain, the building sector is one of the main drivers of economy and also a basic component of economic activity and its role in generating employment, supply of goods or incentive for growth is crucial in the evolution of the economy. Surprisingly, it is one of the sectors with less regulation and organization. Another consistent problem is that, in this sector, the majority of companies are small and medium (SMEs), and often behind large firms in terms of their adoption of innovative solutions. The complexity of managing all information related to this industry has lead to a waste of money and time. The information and knowledge gathered is frequently stored in multiple locations, involving the work of thousands of people, and is rarely transferred on to the next phase. This approach is inconsistent and makes that incorrect information is used for decisions. This situation needs a viable solution for interorganizational information management. So, interorganizational co-operation has become a key factor for organization competitiveness within the building sector. Information is the cornerstone of any business process. Therefore, information and communication technologies (ICT) offer a means to change the way business is conducted. During the last decade, significant productivity improvements were experienced by a wide range of industries with ICT implementation. ICT has provided great advantages in speed of operation, consistency of data generation, accessibility and exchange of information. The wasted money resulting from reentering information, errors and omissions caused through poor decisions and actions, and the delays caused while waiting for information, represent a significant percentage of the global benefits. The effective application of ICT in building construction sector requires a combination of strategic and tactical developments. The building sector has experienced a significant decline in recent years in Spain and in Europe as a result of the financial crisis that began in 2007. This drop goes hand in hand with a low penetration of ICT in inter-organizational-oriented business processes. The market decrease has caused a slowdown in the building sector, where only flexible SMEs have been able to keep the pace though specialization and innovation in services adapted to new market demands. The building industry is highly fragmented compared with other manufacturing industries. This fragmentation has a significant negative impact on productivity and performance. Many research studies have developed and proposed a number of integrated process models. Unfortunately, these studies do not suggest how communication and information exchange within the construction process can be achieved, without duplication or lost in quality. A change from the traditional sequential process to reciprocal interdependency processes would increase the demand on communication and information flow over the edification project. Focusing on home services, the digital interactive service industry has the potential to generate innovation and strategic advantage for existing business. Multiplicity of broadband home services (BHS) and suppliers suggest the need for a figure able to coordinate all the agents in sector with the final user. Consequently, organizational structures tend to be decentralized. Responding to this fact, the concept of interorganizational co-operation also is raising in the residential market. Therefore, both of these business processes, building and home service supply, must be complemented with a technological platform that supports these processes and guarantees the aggregation and integration of the several services over building lifecycle. In this context of a technological platform and the permanent evolution of information systems is where the relevance of the concept of inter-organizational information system (IOIS) emerges. IOIS improves linkages between trading partners along the supply chain. However, IOIS adoption has proved to be difficult and not fully accomplished yet. This research reviews the literature in order to focus a model of IOIS adoption. This PhD Thesis presents a model of virtual association, a framework of the relationships, an identification of the information requirements and the corresponding information flows, using the multi-agent system approach. IOIS has become a source of innovation and a strategic tool for SMEs to obtain competitive advantage. Because of the inherent complexity of IOIS adoption, this research extends Kurnia and Johnston’s (2000) theoretical model of IOIS adoption with an empirical model of IOIS characterization. The resultant model aims to foster further service innovation in the sector by identifying the factors influencing IOIS adoption by the SMEs in the building sector as a source of competitive and collaborative advantage. Therefore, this PhD Thesis characterizes an IOIS model to support integrated management of building processes and home services. IOIS validity, as source and holder of competitive advantages, is related to the need for reliable information interchanges to improve interrelationship management. The final goal is to favor tracking of more complex projects in building sector and to contribute to consolidation of the information society through the provision of broadband home services and home automation.

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Las desviaciones de tiempo y coste constituyen un fenómeno muy frecuente en la industria de la construcción. Existe un gran número de proyectos que no se terminan en el plazo y el tiempo estipulados, y esto parece que se ha convertido más en la norma que en la excepción. Los proyectos de construcción son heterogéneos por naturaleza y pueden llegar a ser muy complejos, involucrando numerosos procesos y expuestos a infinidad de variables y factores que pueden afectar el cumplimiento de los objetivos de tiempo y coste. Las desviaciones de tiempo y coste no favorecen ni al promotor ni al resto de equipos participantes del proyecto, dando lugar además la mayoría de las veces a situaciones de conflictos y relaciones adversas entre participantes del proyecto. Es por todo ello que surge la necesidad de atender a una estrategia de gestión de riesgos eficaz, como herramienta esencial de la gestión de proyectos para contribuir al éxito de los mismos. Es preciso considerar también que los proyectos de construcción pueden presentar distintas características específicas según el tipo de proyecto de que se traten. El presente trabajo de investigación estudia concretamente los proyectos de edificios de uso hotelero, los cuales pueden presentar estructuras organizativas muy diversas, incluyendo numerosos agentes participantes y procesos que a su vez se desarrollan en un entorno que ya es muy dinámico por su propia naturaleza. En el sector hotelero el cumplimiento de los objetivos de tiempo y coste del proyecto son especialmente importantes ya que cualquier retraso en la fecha de apertura estimada del hotel se traducirá en pérdidas importantes de negocio y cuota de mercado y podrá llevar asociadas también repercusiones importantes en otros aspectos relacionados con la operativa hotelera. Si se conocen las causas que originan tales desviaciones de tiempo y coste, se podrán establecer las correspondientes medidas de actuación para anticiparnos a ellas y que no se produzcan, siendo ésta la base del propósito de esta tesis. Así, la identificación de riesgos supone el primer paso para una gestión de riesgos eficaz, fundamental para contribuir al éxito de un proyecto. El contexto de la investigación delimita como lugar geográfico de estudio España, donde el sector turístico constituye un motor importante de la economía y en el que la eficiencia y competitividad debe estar reflejada también en el proceso del proyecto edificatorio, minimizándose los retrasos y sobrecostes. El presente estudio investiga por tanto los factores de riesgo más críticos que dan lugar a desviaciones de tiempo y coste en proyectos de edificios de uso hotelero en España. A partir del análisis de la literatura existente se genera una propuesta de identificación de factores de riesgo, que se analiza mediante un análisis cualitativo basado en la opinión de expertos y estudio de casos específicos. De los resultados de este análisis se determinan los niveles críticos para cada factor de riesgo, se comparan además las percepciones de niveles de riesgo según distintos tipos de grupos profesionales, y se establece un procedimiento en cuanto a prioridad de acción de respuesta. Así, se desarrolla una propuesta final de identificación y matriz de factores de riesgo con el objetivo de que pueda servir de base a propietarios, empresas gestoras y otros participantes de proyectos hoteleros para diseñar un plan de gestión de riesgos eficaz, contribuyendo de este modo al éxito del proyecto en cuanto a cumplimiento de objetivos de tiempo y coste programados. ABSTRACT Cost and schedule overruns constitute a very frequent phenomenon in the construction industry. A large number of construction projects do not finish on the estimated time and cost, and this scenario seems to be becoming the norm rather than the exception. Construction projects are heterogeneous by nature and they can become very complex as they involve a large number of processes which are subject to many variables and factors that may give rise to time and cost overruns. Time and cost overruns cause dissatisfaction not only to owners but all stakeholders involved in the project, leading most of the times to undesirable situations of conflicts and adversarial relationships between project participants. Hence, it becomes necessary to adopt an effective risk management strategy as an essential part of project management in order to achieve project success. Construction projects may have different characteristics depending on the type of project. This research specifically focuses on hotel construction projects. Hotel projects usually involve complex organizational structures, including many project participants and processes which develop in an environment that is already dynamic by nature. In this type of projects, the achievement of time and cost objectives is particularly important, as any delay of the hotel opening date will result in significant loss of business and market share and may also involve key important implications related to hotel operations. If the risk factors that lead to time and cost overrun are known in advance, preventive actions could be established in order to avoid them, so that time and cost overruns are minimized. This constitutes the aim of this research, being risk identification the first step of any effective risk management strategy for project success. The context of this research is focused on a particular geographical area, being this Spain. Tourism in Spain is a major contributor to the Spanish economy, and efficiency and competiveness should also be reflected in the building processes of the hotel industry, where delays and cost overruns should be kept to the minimum. The aim of this study is to explore the most critical risk factors leading to time and cost overruns in hotel construction projects in Spain. From the analysis of the literature review, a proposal of a risk identification framework is developed, which will be further analyzed by a qualitative assessment based on expert opinions and the study of specific case studies. From the results of this assessment, the levels of risk criticality are determined for the identified factors, a comparison of the perceptions of risk levels among different groups of respondents is also carried out, and a procedure for prioritization of factors in terms of needs of response is established. A final proposal of a risk register matrix framework is then developed in order to assist hotel owners, project management companies or other hotel project stakeholders, and provide them with a base to design their own specific risk management plans, contributing in this way to project success with regards to the achievement of cost and time objectives.

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O ensino de Administração no Brasil, assim como em outros países, teve início para atender à demanda por profissionais capacitados a responder a necessidade de organização das grandes empresas que estavam em processo de surgimento. Três grandes eixos sustentam o direcionamento desses cursos, ainda nos dias de hoje: econômico, político e educacional. A proposta do presente trabalho é a da reavaliação do paradigma que determinou a construção dos programas das Instituições de Ensino Superior da área de Administração, considerando-se que em tempos atuais, a estrutura sócio-econômica que demanda jovens e adultos formados por esses cursos, configura-se diferentemente daquela que motivou seu surgimento. Naquela época, tendo como inspiração as universidades norte-americanas, as IES brasileiras também visavam atender à demanda das grandes empresas aqui instaladas dentro do processo desenvolvimentista iniciado no governo Vargas. Atualmente, essas grandes empresas, tendo como foco a inovação tecnológica, não mas absorvem adequadamente os profissionais. Novas estruturas organizacionais como aquelas relacionadas com as Economias Solidárias, surgem como possibilidades para os estudantes.(AU)

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O ensino de Administração no Brasil, assim como em outros países, teve início para atender à demanda por profissionais capacitados a responder a necessidade de organização das grandes empresas que estavam em processo de surgimento. Três grandes eixos sustentam o direcionamento desses cursos, ainda nos dias de hoje: econômico, político e educacional. A proposta do presente trabalho é a da reavaliação do paradigma que determinou a construção dos programas das Instituições de Ensino Superior da área de Administração, considerando-se que em tempos atuais, a estrutura sócio-econômica que demanda jovens e adultos formados por esses cursos, configura-se diferentemente daquela que motivou seu surgimento. Naquela época, tendo como inspiração as universidades norte-americanas, as IES brasileiras também visavam atender à demanda das grandes empresas aqui instaladas dentro do processo desenvolvimentista iniciado no governo Vargas. Atualmente, essas grandes empresas, tendo como foco a inovação tecnológica, não mas absorvem adequadamente os profissionais. Novas estruturas organizacionais como aquelas relacionadas com as Economias Solidárias, surgem como possibilidades para os estudantes.(AU)

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Despite the fact that Papilio glaucus and Papilio polyxenes share no single hostplant species, both species feed to varying extents on hostplants that contain furanocoumarins. P. glaucus contains two nearly identical genes, CYP6B4v2 and CYP6B5v1, and P. polyxenes contains two related genes, CYP6B1v3 and CYP6B3v2. Except for CYP6B3v2, the substrate specificity of which has not yet been defined, each of the encoded cytochrome P450 monooxygenases (P450s) metabolizes an array of linear furanocoumarins. All four genes are transcriptionally induced in larvae by exposure to the furanocoumarin xanthotoxin; several are also induced by other furanocoumarins. Comparisons of the organizational structures of these genes indicate that all have the same intron/exon arrangement. Sequences in the promoter regions of the P. glaucus CYP6B4v2/CYP6B5v1 genes and the P. polyxenes CYP6B3v2 gene are similar but not identical to the -146 to -97 region of CYP6B1v3 gene, which contains a xanthotoxin-responsive element (XRE-xan) important for basal and xanthotoxin-inducible transcription of CYP6B1v3. Complements of the xenobiotic-responsive element (XRE-AhR) in the dioxin-inducible human and rat CYP1A1 genes also exist in all four promoters, suggesting that these genes may be regulated by dioxin. Antioxidant-responsive elements (AREs) in mouse and rat glutathione S-transferase genes and the Barbie box element (Bar) in the bacterial CYP102 gene exist in the CYP6B1v3, CYP6B4v2, and CYP6B5v1 promoters. Similarities in the protein sequences, intron positions, and xanthotoxin- and xenobiotic-responsive promoter elements indicate that these insect CYP6B genes are derived from a common ancestral gene. Evolutionary comparisons between these P450 genes are the first available for a group of insect genes transcriptionally regulated by hostplant allelochemicals and provide insights into the process by which insects evolve specialized feeding habits.

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Deadly, inter-ethnic group conflict remains a threat to international security in a world where the majority of armed violence occurs not only within states but in the most ungoverned areas within states. Conflicts that occur between groups living in largely ungoverned areas often become deeply protracted and are difficult to resolve when the state is weak and harsh environmental conditions place human security increasingly under threat. However, even under these conditions, why do some local conflicts between ethnic groups escalate, whereas others do not? To analyze this puzzle, the dissertation employs comparative methods to investigate the conditions under which violence erupts or stops and armed actors choose to preserve peace. The project draws upon qualitative data derived from semi-structured interviews, focus group dialogues, and participant observation of local peace processes during field research conducted in six conflict-affected counties in Northern Kenya. Comparative analysis of fifteen conflict episodes with variable outcomes reveals the conditions under which coalitions of civic associations, including local peace committees, faith-based organizations, and councils of elders, inter alia, enhance informal institutional arrangements that contain escalation. Violence is less likely to escalate in communities where cohesive coalitions provide platforms for threat-monitoring, informal pact making, and enforcement of traditional codes of restitution. However, key scope conditions affect whether or not informal organizational structures are capable of containing escalation. In particular, symbolic acts of violence and the use of indiscriminant force by police and military actors commonly undermine local efforts to contain conflict. The dissertation contributes to the literatures on civil society and peacebuilding, demonstrating the importance of comparing processes of escalation and non-escalation and accounting for interactive effects between modes of state and non-state response to local, inter-ethnic group conflict.

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Research on the industrial transition in East Germany and its outcomes has long focused on the strategy of the Treuhand­ anstalt (IHA). According to institutionalists, David Stark and Lazlo Brust!: (1998), the powerful position of the German privatization agency was not only a result of German unification but also a function of a pathway rooted in the institutional peculiarities of the East German economy before 1989. This paper shows that neither a simple top-down perspective nor the pathway approach, as Stark and Brust!: suggested, are adequate for explaining the internal dynamic of enterprise transformation as well as the outcomes of this process. First of all, the dissolution of the former organizational structures and hierarchies was less coordinated by the 1HA than is often assumed. Often Kombinates fell apart more quickly from below than they could be dismantled from above since enterprises or their units chose the exit­ option and had good reasons to do so. Secondly, although the privatization by the 1HA resulted in the clear dominance of Western investors, the new ownership structure of East German industry as a whole could be characterized as a "capitalism without (East German) capitalists." In fact, what exists in East Germany is rather a kind of "small business capitalism" (KleinbetriebsknpitalifmllS) in which small-and medium-sized producers dominate the landscape. Finally, there was no single starting point in 1989. Two different industrial orders shaped the industrial history of the East German regions which were not destroyed between 1945-89, but rather transformed into the state socialist production system. It can be shown that these older historical patterns are relevant for transition and their outcomes as well.

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Over the twentieth century, a growing group of students has been transferred into considerably expanded special education systems. These programs serve children with diagnosed impairments and disabilities and students with a variety of learning difficulties. Children and youth “with special educational needs” constitute a heterogeneous group with social, ethnic, linguistic, and physical disadvantages. An increasingly large percentage of those students at risk of leaving school without credentials participate in special education, a highly legitimated low status (and stigmatizing) school form. While most countries commit themselves to school integration or inclusive education to replace segregated schools and separate classes, cross-national and regional comparisons of special education’s diverse student bodies show considerable disparities in their (1) rates of classification, (2) provided learning opportunities, and (3) educational attainments. Analyzing special education demographics and organizational structures indicates which children and youth are most likely to grow up less educated and how educational systems distribute educational success and failure. Findings from a German-American comparison show that which students bear the greatest risk of becoming less educated depends largely on definitions of “special educational needs” and the institutionalization of special education systems.

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Third sector organizations are transitioning towards entrepreneurial and managerial models as a result of quasi-market strategies. This paper reports on the research findings of a survey of nonprofit disability organizations in Queensland and Victoria impacted upon by quasi-market reform. Enterprising organizations were found to have made substantial change to organizational structures and systems, whilst more traditional organizations made few changes. All organizations demonstrated commitment to a social justice ethos. However across the organizational archetypes there were reports of an organizational 'fragility'. It is argued that the problems of sustainability of community service organizations that existed prior to quasi-market reforms remain. This implies community service organizations will experience ongoing difficulties in the post-market era without further rationalization and change. A conceptual framework for sustainability of the community service sector is presented at the policy and organizational level.

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This paper examines the potential for cluster associations to act globally, enabled by information computer technology (ICT). In particular, it explores the relationship between cooperation and organizational structures and systems of action in developing an ICT capability. The slow up-take of ICT and the problems involved is also becoming of increased interest to policymakers. This paper outlines how, through the use of cluster associations based on co-operation and effective structures and systems, this can be maximized. The proposition introduced in this paper argues that cluster associations with low power-dependence and decentralized structures are better able to provide the necessary support that such SMEs require to utilize the technology