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Search Results: 1 - 10 of 498385 matches for " Mónica Melle H. "
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Grado de competencia, presión de la deuda y productividad empresarial: un análisis empírico desde la perspectiva del gobierno corporativo
Juan A. Maroto A.,Mónica Melle H.,Ignacio Moreno G.,José M. Rodríguez F.
Panorama Socioeconómico , 2006,
Abstract: Este trabajo ofrece evidencia emp rica acerca del impacto sobre la productividad empresarial derivado del grado de competencia, el poder de mercado, la presi n financiera del endeudamiento y la estructura de la propiedad de la empresa. En el an lisis, se estiman varios modelos din micos de regresi n mediante el m todo generalizado de momentos propuesto por Arellano y Bond (1991), a partir de una muestra de datos de panel constituida por 4.947 empresas manufactureras espa olas pertenecientes a 19 sectores industriales diferentes, durante un periodo que abarca del a o 1994 al a o 2003. Vistos en su conjunto, los resultados alcanzados sugieren que la competencia, junto con la presi n financiera y el tipo de accionista de control en cada empresa, influyen sobre la productividad empresarial, detect ndose alguna evidencia de que pueden actuar a veces como mecanismos complementarios de los c digos de buen gobierno corporativo y de los habituales sistemas de disciplina aplicados por los mercados financieros.
CóMO VALORA EL MERCADO DE VALORES ESPA OL LA ADOPCIóN DE PLANES DE OPCIONES SOBRE ACCIONES PARA DIRECTIVOS Y CONSEJEROS?
Mónica Melle Hernández
Investigaciones Económicas , 2005,
Abstract: Este artículo analiza las reacciones del mercado de capitales espa ol ante la adopción de planes de opciones sobre acciones para directivos y consejeros entre el 1 de septiembre de 1998 y el 31 de julio de 2003, bajo las hipótesis semifuerte de eficiencia del mercado y del contenido informativo de estos sistemas retributivos. El mercado valora favorablemente la formalización de los acuerdos y su comunicación oficial; el precio de ejercicio y los periodos de carencia y de ejercicio de las opciones determinan las rentabilidades anormales positivas. A medio plazo, existe una relación negativa entre la adopción de estos planes y los retornos de los títulos
NUEVOS REGISTROS GENéRICOS DE ABEJAS (Hymenoptera: Apoidea) PARA COLOMBIA
GONZáLEZ,VíCTOR H; OSPINA,MóNICA;
Acta Biológica Colombiana , 2006,
Abstract: the solitary bee genera lophothygater moure y michener (apidae, eucerini) and tapinotaspoides moure (apidae, tapinotaspidini) are reported from northern colombia for the first time. these genera were previously known from the central brazilian amazonian and argentina and paraguay, respectively.
Das Pommerische in Espírito Santo: ergebnisse und perspektiven einer soziolinguistischen studie
H?hmann, Beate;Savedra, Mnica Maria Guimar?es;
Pandaemonium Germanicum , 2011, DOI: 10.1590/S1982-88372011000200014
Abstract: the present article deals with aspects of language maintenance and measurement for language revitalization of pomeranian in the brazilian state of espírito santo, based on the sociolinguistic study by h?hmann (2011). following the introduction, in which an overview of the research situation and the socio-demographic data is provided, the text presents quantitative data on language preference and intergenerational language transmission of the studied language community. in addition, the use of the minority language ??in education and the resulting research desiderata are stated. the pomeranian language revitalization project proepo and aspects of the latest standardization activities of the minority language are presented. finally, perspectives for language preservation are discussed.
Embriopatía por isotretinoína: Un da?o evitable
Troncoso Sen,Mónica; Rojas H,Carla; Bravo C,Eduardo;
Revista médica de Chile , 2008, DOI: 10.4067/S0034-98872008000600012
Abstract: retinoic acid is a widely used drug in the treatment of cystic acné. it has teratogenic effects that depend on the gestational period in which it is used. we report a seven months of female whose mother was exposed to retinoic acid in both pregestational and gestational periods. she had a retardation of psychomotor development and a brain mri showed frontal atrophy and a malformation of the posterior fossa. we discuss the mechanisms ofthe teratogenic effeets of retinoic acid
Aprendizaje basado en problemas multiprofesional: Estudio cualitativo desde la perspectiva de los tutores
Navarro H,Nancy; Illesca P,Mónica; Cabezas G,Mirtha;
Revista médica de Chile , 2009, DOI: 10.4067/S0034-98872009000200009
Abstract: background: problem based learning is a student centered learning technique that develops deductive, constructive and reasoning capacities among the students. teachers must adapt to this paradigm of constructing rather than transmitting knowledge. aim: to interpret the importance of tutors in problem based learning during a module of health research and management given to medical, nursing, physical therapy, midwifery, technology and nutrition students. material and methods: eight teachers that participated in a module using problem based learning accepted to particípate in an in depth interview. the qualitative analysis of the textual information recorded, was performed using the atlas software. results: we identi?ed 662 meaning units, grouped in 29 descriptive categories, with eight emerging meta categories. the sequential and cross-generated qualitative analysis generated four domains: competence among students, competence of teachers, student-centered learning and evaluation process. conclusions: multiprofessional problem based learning contríbutes to the development of generic competences among future health professionals, such as multidisciplinary work, critical capacity and social skills. teachers must shelter the students in the context of their problems and social situation.
New Records of Bee Genera (Hymenoptera: Apoidea) from Colombia Nuevos registros genéricos de avejas (Hymenoptera: Apoidea) para Colombia
González Víctor H.,Ospina Mónica
Acta Biológica Colombiana , 2006,
Abstract: The solitary bee genera Lophothygater Moure y Michener (Apidae, Eucerini) and Tapinotaspoides Moure (Apidae, Tapinotaspidini) are reported from northern Colombia for the first time. These genera were previously known from the central Brazilian Amazonian and Argentina and Paraguay, respectively. Se registran por primera vez para Colombia los géneros de abejas solitarias Lophothygater Moure y Michener (Apidae, Eucerini) y Tapinotaspoides Moure (Apidae, Tapinotaspidini). Estos géneros solo se conocían del centro de la Amazonía brasile a, Argentina y Paraguay, respectivamente.
Embriopatía por isotretinoína: Un da o evitable Isotretinoin embryophaty: Report of one case
Mónica Troncoso Sen,Carla Rojas H,Eduardo Bravo C
Revista médica de Chile , 2008,
Abstract: Retinoic acid is a widely used drug in the treatment of cystic acné. It has teratogenic effects that depend on the gestational period in which it is used. We report a seven months of female whose mother was exposed to retinoic acid in both pregestational and gestational periods. She had a retardation of psychomotor development and a brain MRI showed frontal atrophy and a malformation of the posterior fossa. We discuss the mechanisms ofthe teratogenic effeets of retinoic acid
Aprendizaje basado en problemas multiprofesional: Estudio cualitativo desde la perspectiva de los tutores Problem based learning from the perspective of tutors
Nancy Navarro H,Mónica Illesca P,Mirtha Cabezas G
Revista médica de Chile , 2009,
Abstract: Background: Problem based learning is a student centered learning technique that develops deductive, constructive and reasoning capacities among the students. Teachers must adapt to this paradigm of constructing rather than transmitting knowledge. Aim: To interpret the importance of tutors in problem based learning during a module of Health research and management given to medical, nursing, physical therapy, midwifery, technology and nutrition students. Material and methods: Eight teachers that participated in a module using problem based learning accepted to particípate in an in depth interview. The qualitative analysis of the textual information recorded, was performed using the ATLAS software. Results: We identi ed 662 meaning units, grouped in 29 descriptive categories, with eight emerging meta categories. The sequential and cross-generated qualitative analysis generated four domains: competence among students, competence of teachers, student-centered learning and evaluation process. Conclusions: Multiprofessional problem based learning contríbutes to the development of generic competences among future health professionals, such as multidisciplinary work, critical capacity and social skills. Teachers must shelter the students in the context of their problems and social situation.
An equivariant version of the monodromy zeta function
S. M. Gusein-Zade,I. Luengo,A. Melle Hernandez
Mathematics , 2008,
Abstract: We offer an equivariant version of the classical monodromy zeta function of a singularity as a series with coefficients from the Grothendieck ring of finite G-sets tensored by the field of rational numbers. Main two ingredients of the definition are equivariant Lefschetz numbers and the lambda-structure on the Grothendieck ring of finite G-sets. We give an A'Campo type formula for the equivariant zeta function.
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