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Search Results: 1 - 10 of 406 matches for " Meireles "
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Incomplete Regulation, Asymmetric Information, and Collusion-Proofness
Marco Meireles,Paula Sarmento
Economics Research International , 2012, DOI: 10.1155/2012/818716
Abstract: In an incomplete regulation framework, the regulator cannot replicate all the possible outcomes by himself since he has no influence over some firms in the market. Due to asymmetric information, it may be better for the regulator to allow the unregulated firms to extract a truthful report from the regulated firm through side-payments under collusion, and therefore the “collusion-proofness principle” may not hold. In fact, by introducing an exogenous number of unregulated firms, social welfare differences seem to favour a collusion-allowing equilibrium. However, such result will depend on the relative importance given by the regulator to the consumer surplus in the social welfare function.
A rela??o da tarefa de erro intencional com o desempenho ortográfico da crian?a considerados os aspectos morfossintáticos e contextuais da língua portuguesa
Meireles, Elisabet;Correa, Jane;
Estudos de Psicologia (Natal) , 2006, DOI: 10.1590/S1413-294X2006000100005
Abstract: this study examines the effectiveness of the intentional misspelling task in predicting 2nd and 4th graders' orthographic knowledge. the intentional misspelling task consists in the intentional spelling mistakes made by children in their written production. therefore it is possible to evaluate children's orthographic knowledge since some knowledge of the orthographic rules is necessary to make intentional spelling mistakes. three spelling rules in brazilian portuguese were investigated: a morphosyntactic rule (the use of the suffixes esa, oso and eza) and two contextual rules (the use of r and rr; the nasalization before consonants). the results indicated that schooling is related both to children's spelling skills and to their competence in making intentional spelling errors. on the other hand, the intentional misspelling task gives us useful information about children's orthographic knowledge in the orthographic contexts they consider to be problematic.
Processamento cognitivo relacionado à produ??o em língua estrangeira e aprendizagem de falantes n?o-nativos de alem?o
Stanich, Kelly;Meireles, Selma;
Pandaemonium Germanicum , 2009, DOI: 10.1590/S1982-88372009000100010
Abstract: cognition can be defined as a process of knowledge acquisition that draws upon environmental information as well as on material registered in our memory. this process, which is not always conscious, involves perception, attention, memory and action. it is therefore not only merely acquisition of knowledge, but also a process of converting all that is apprehended by the learner in accordance with his identity and experiences. this work proposes a theoretical model for cognitive processes related to foreign language production, relying on recent neuroscientific theories about memory, learning and processing of representations of frequent linguistic sequences (chunks), focusing on data concerning german as a foreign language. as a result, theoretical knowledge about a foreign language and the abilities to use it are seen as complementing skills that interact during the learning process, rather than different stages of the same knowledge defined by time of learning and storage in the memory, as suggested by some authors.
Cryptosporidium infection in Brazil: implications for veterinary medicine and public health
Meireles, Marcelo Vasconcelos;
Revista Brasileira de Parasitologia Veterinária , 2010, DOI: 10.1590/S1984-29612010000400002
Abstract: the aim of this review paper is to report the results of cryptosporidiosis research in brazil, mainly its occurrence in animals and implications for veterinary medicine and public health. an increasing number of papers related to cryptosporidium spp. infection in brazil are available at national and international literature. the main focus described in these papers is the occurrence of cryptosporidium spp. in food, environmental samples, in humans and several animal species, particularly birds, cattle, dogs and cats. using molecular biology techniques, most cryptosporidium species and genotypes identified in other countries have been described in brazil. in mammals, there are descriptions of infection by c. bovis, c. canis, c. felis, c. meleagridis, c. parvum, and the cervine genotype; in birds, the following species and genotypes have been described: c. baileyi, c. galli, c. meleagridis, c. parvum and the avian genotypes i, ii and iii. several species have been described in humans, such as c. parvum, c. hominis, and some species adapted to animal hosts such as c. canis, c. felis and c. meleagridis.
O CONTO DE FADAS E A QUEST O DA ALTERIDADE NA IDADE MéDIA
ALEXANDER MEIRELES DA SILVA
Signótica , 2005, DOI: 10.5216/sig.v17i1.3732
Abstract: Este artigo visa demonstrar como os contos de fadas derivados das narrativas folclóricas medievais refletem a propaganda crist contra um “Outro” n ocrist o. Para tal propósito ser o analisados como os vil es dos contos de fadas “Chapeuzinho Vermelho”, “Jo o e Maria” e “Barba Azul” s o construídos respectivamente ao redor da ideologia crist contra o pag o, o judeu e o mu ulmano. A análise será baseada na compara o da representa o literária dos vil es desses contos de fadas, estabelecida por Charles Perrault e pelos irm os Grimm, com os estereótipos e cren as no meio popular medieval sobre esses n ocrist os compilados por estudiosos, tais como Jeffrey Richards e Georges Duby.
A REGRA E O SISTEMA NA ESTRUTURA DA CONSTRU O DE ESPA O NO DESENHO
MEIRELES, António
European Review of Artistic Studies , 2011,
Abstract: Drawing is an expression whose freedom of thought and action is linked to the rule andsystem, as material characteristics, or as conceptual structures. In this article, differentlevels of rules and systems are analyzed in what constitutes the matrix and structure ofspace construction through drawing, in the context of the PHD research and sustained inthe practice as teacher of drawingResumoO desenho é uma express o cuja liberdade de pensamento e ac o estáirrevogavelmente associada à regra e ao sistema, seja como características materiais, oucomo estruturas conceptuais. Neste artigo analisam-se diferentes instancias da regra edo sistema no que constitui a génese e estrutura da constru o de espa o no desenho, noquadro da investiga o desenvolvida no doutoramento sobre o desenho de espa o,apoiada na prática lectiva enquanto docente de desenho.
Incomplete Regulation, Asymmetric Information, and Collusion-Proofness
Marco Meireles,Paula Sarmento
Economics Research International , 2012, DOI: 10.1155/2012/818716
Abstract: In an incomplete regulation framework, the regulator cannot replicate all the possible outcomes by himself since he has no influence over some firms in the market. Due to asymmetric information, it may be better for the regulator to allow the unregulated firms to extract a truthful report from the regulated firm through side-payments under collusion, and therefore the “collusion-proofness principle” may not hold. In fact, by introducing an exogenous number of unregulated firms, social welfare differences seem to favour a collusion-allowing equilibrium. However, such result will depend on the relative importance given by the regulator to the consumer surplus in the social welfare function. 1. Introduction This paper aims to evaluate the optimal incomplete regulation contract when it is possible to form a coalition between unregulated firms and the regulated firm, and the marginal costs of the regulated firm are private information, not available to the regulator and neither to the other competitors. We will also evaluate how such results may be influenced by the relative importance given by the regulator to the consumer surplus in the social welfare function. Most of the literature on economic regulation studied optimal contracts in the context of complete regulation, either between a regulator and a firm (monopoly) or between a regulator and all the firms in the market (usually a duopoly). Baron and Myerson [1], Laffont and Tirole [2], and Lewis and Sappington [3] focused on the design of an optimal regulation contract in a monopoly under asymmetric information. On the first two papers the regulator was not aware of the monopolist’s marginal costs, while in the last that private information was related to the market’s demand function. They all concluded that the regulator has to pay a price above the marginal cost to avoid an untruthful report by the monopolist. Lewis and Sappington [3], however, also stated that under some conditions (nondecreasing marginal costs), and in spite of the private information about the demand function, the same first-best optimum equilibrium may be achieved. Caillaud [4], Laffont and Martimort [5, 6], and Tanger?s [7] extended optimal complete regulation under asymmetric information to a competition framework. Caillaud [4] focused on the informational effect that the existence of a competitive fringe had on the regulation of a dominant firm under asymmetric information. He concluded that the presence of a fringe is always welfare enhancing but its magnitude depends on the degree of information correlation and on the
On the classification of quasi-homogeneous curves
Leonardo Meireles Camara
Mathematics , 2010,
Abstract: We apply techniques of Holomorphic Foliations in the description of the analytic invariants associated to germs of quasi-homogeneous curves in $(\mathbb{C}^2,0)$. As a consequence we obtain an effective method to determine whether two quasi-homogeneous curves are analytically equivalent.
Plantas medicinais usadas para a saúde bucal pela comunidade do bairro Santa Cruz, Chapada dos Guimar?es, MT, Brasil
Borba, Aneliza Meireles;Macedo, Miramy;
Acta Botanica Brasilica , 2006, DOI: 10.1590/S0102-33062006000400003
Abstract: in the state of mato grosso, traditional populations turn to the use of many plant species as a therapeutic alternative. in the city of chapada dos guimar?es, the santa cruz neighborhood is well known for harboring families from urban and rural communities who preserve this knowledge passed down through many generations. the objective of this research was to survey the medicinal plants used by the local community, therapeutic indications, preparation and use methods intended to maintain and recover oral health. forty local residents were interviewed by a qualitative approach using semi-structured interviews. the cataloged species were filed for identification in the ufmt/herbário central. there were 87 species named as being used for oral health, pertaining to 48 families, found in the cerrado biome or grown at home. the most frequently cited species for treating oral ailments were as follows: teeth eruption - "camomila" (matricaria chamomilla l.); candidiases, stomatitis, gingivitis and canker sores - "a?afr?o" (crocus sativus l.); tooth ache - "arnica-da-serra" (brickelia brasiliensis (spreng.) robinson). the most commonly used part of the plant was the leaf while tea, by decoction, was the most common method of preparation. elderly people, community leaders, accoucheuses and medicine women had a greater knowledge of medicinal plant use. this shows that the community uses both native cerrado and exotic plant species therapeutically to maintain and recover oral health, as a traditional, economic and effective alternative.
Estudo do impacto de um curso MBA Gest?o em Saúde na modernidade organizacional de clínicas oftalmológicas
Meireles, Manuel;Scarpi, Marinho Jorge;
Arquivos Brasileiros de Oftalmologia , 2005, DOI: 10.1590/S0004-27492005000600010
Abstract: purpose: investigations in the field of the learning competence that investigate the impact of the acquisition of new individual competence of those responsible for ophthalmologic clinics, by means of a mba administration in health course, on the organizational modernity of ophthalmologic clinics. methods: survey using questionnaires applied to students and former students of the course and to managers of ophthalmologic clinics not linked to the course (n=30 each one). the analysis was made by means of statistical methods: r of pearson and q of yule; student's t test, sum of series test, median test and u test of mann-whitney. results: linear and positive correlation was observed between excellency of mba administration in health and the development of the veteran students' capacities (rho correlation of spearman at the level of 0.01); there is a significant difference (0.0364, by the mann-whitney test), between veteran students and freshmen regarding the need to extend the individual capacities provided by the mba administration in health course, to the other operational employees of the ophthalmologic clinics; and there is a significant difference (0.0057, for the mann-whitney test), among veteran students of the mba administration in health course and freshmen regarding the importance of the organizational modernity for the ophthalmologic clinics. conclusions: the obtained results are consistent, in a general way, with the proposed model: mba administration's excellence in health contributes significantly to the organizational modernity, to the development of competence of the veteran students, and, also in substantial way to the perception of organizational hiatuses.
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