868 resultados para Leader
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Num mundo hipercompetitivo, a afirmao da virtuosidade tem enfrentado considerveis resistncias, sendo mesmo considerada como sinnimo de fraqueza ou ingenuidade. Todavia, e perante evidncias dos potenciais perigos do exerccio da liderana desprovido de valores, tica e moralidade, elevam-se as vozes em defesa de uma liderana virtuosa, capaz de aportar contributos significativamente positivos s organizaes e seus colaboradores. Partindo desta premissa, esta investigao teve como objetivo analisar, com base nas percees dos liderados, o impacto da liderana virtuosa no comprometimento organizacional, assim como o contributo deste ltimo no desempenho individual. Sustentados numa metodologia quantitativa, inquirimos, numa primeira fase, 113 liderados provenientes de organizaes localizadas no territrio portugus, com vista a apurar quais as virtudes que mais valorizavam num lder. Os dados para o teste de hipteses foram recolhidos atravs da aplicao de uma bateria de testes junto de 351 liderados, tambm a exercer funes em organizaes a operar em Portugal. Os resultados sugerem que as percees dos liderados em torno de trs dimenses de virtuosidade da liderana (liderana baseada em valores, perseverana e maturidade) contribuem para o comprometimento organizacional, sobretudo nas suas vertentes afetiva e normativa e, que este ltimo, por sua vez, capaz de influenciar positivamente o desempenho individual.
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In the standard Schumpeterian-growth models only follower firms invest in R&D activities and larger economies grow faster. Since these results are counterfactual, this paper reveals that leader firms often support R&D activities and economic growth can be independent of the market size. In particular, the maintenance of R&D leadership increases with: (i) the technological-knowledge gap between leader and followers, since a firm-specific learning effect of accumulated technological knowledge from past R&D is considered, (ii) the leaders strategies that delay the next successful R&D supported by some follower firm, (iii) the market size, and (iv) the up-grade of each innovation.
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Mestrado em Gesto e Empreendedorismo
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Portugal has been the world leader in the cork sector in terms of exports, employing ten thousands of workers. In this working activity, the permanent contact with cork may lead to the exposure to fungi, raising concerns as potential occupational hazards in cork industry. The application of molecular tools is crucial in this setting, since fungal species with faster growth rates may hide other species with clinical relevance, such as species belonging to P. glabrum and A. fumigatus complexes. A study was developed aiming at assessing fungal contamination due to Aspergillus fumigatus complex and Penicillium glabrum complex by molecular methods in three cork industries in the outskirt of Lisbon city.
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Mestrado em Gesto e Empreendedorismo
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Dissertao apresentada Escola Superior de Comunicao Social como parte dos requisitos para obteno de grau de mestre em Gesto Estratgica das Relaes Pblicas.
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We investigate endogenous roles in a competition between a nonprot rm and a for-prot rm in a homogeneous goods market, by allowing two production periods. We nd that the Cournot-type equilibrium and one Stackelberg-type equilibrium where the nonprot rm becomes the follower exist; however, another tackelberg-type equilibrium where the nonprot rm becomes the leader does not exist.
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Published also at Lecture Notes in Engineering and Computer Science
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We analyse the relationship between the privatization of a public firm and government preferences for tax revenue, by considering a (sequential) Stackelberg duopoly with the public firm as the leader. We assume that the government payoff is given by a weighted sum of tax revenue and the sum of consumer and producer surplus. We get that if the government puts a sufficiently larger weight on tax revenue than on the sum of both surpluses, it will not privatize the public firm. In contrast, if the government puts a moderately larger weight on tax revenue than on the sum of both surpluses, it will privatize the public firm. Furthermore, we compare our results with the ones previously published by an other author obtained in a (simultaneous) Cournot duopoly.
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Mestrado em Gesto e Empreendedorismo
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Dissertao apresentada Escola Superior de Comunicao Social como parte dos requisitos para obteno de grau de mestre em Gesto Estratgica das Relaes Pblicas.
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Dissertao de Mestrado apresentada ao Instituto de Contabilidade e Administrao do Porto para a obteno do grau de Mestre em Empreendedorismo e Internacionalizao, sob orientao de Celsa Maria Carvalho Machado e Adalmiro lvaro Malheiro de Castro Andrade Pereira
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Comunicao apresentada no XIII Congresso Internacional del CLAD sobre la Reforma del Estado y de la Administracin Pblica em Buenos Aires, Argentina de 4 a 7 de Novembro de 2008.
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Comunicao apresentada no XV Congresso Internacional del CLAD sobre la Reforma del Estado y de la Administracin Pblica em Santo Domingo, Repblica Dominicana, de 9 a 12 de Novembro de 2010.
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Thesis presented in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the subject of Electrical and Computer Engineering by the Universidade Nova de Lisboa,Faculdade de Cincias e Tecnologia