1000 resultados para control empresarial
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Magdeburg, Univ., Fak. für Naturwiss., Diss., 2015
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Magdeburg, Univ., Fak. für Elektrotechnik und Informationstechnik, Diss., 2015
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Otto-von-Guericke-Universität Magdeburg, Fakultät für Mathematik, Masterarbeit, 2016
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The predator-prey relationship of Palaemonetes argentinus Nobili, 1901 and Culex pipiens s.l. larvae was studied under laboratory conditions. The prawns were separated in two groups, isolated and grouped ones. Mosquitoe larvae were offered to prawns in two forms, limited and unlimited offer to both groups. In the first analysis, values of predation did not differ significantly between males and females of P. argentinus. Predation in 24 h was 14,9 ± 4,2 larvae/prawn. A reduction of predation was observed with unlimited offer for the same hour, during all the experiment. Predation with unlimited offer was higher on the first day than on the second, but returned to high values on the third day, for both groups. In the grouped experiment, predation with limited offer was total on the first days, decreasing to the last day. As a result, P. argentinus was considered an efficient predator of C. pipiens s.l. larvae under laboratory conditions.
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En los últimos 30 años la proliferación de modelos cuantitativos de predicción de la insolvencia empresarial en la literatura contable y financiera ha despertado un gran interés entre los especialistas e investigadores de la materia. Lo que en un principio fueron unos modelos elaborados con un único objetivo, han derivado en una fuente de investigación constante En este documento se formula un modelo de predicción de la insolvencia a través de la combinación de diferentes variables cuantitativas extraídas de los estados contables de una muestra de empresas para los años 1994-1997. A través de un procedimiento por etapas se selecciona e interpreta cuáles son las más relevantes en cuanto a aportación de información. Así mismo se comparan dos procedimientos estadísticos que se uitilizan en este tipo de investigaciones: la regresión logística y el análisis discriminante múltiple. Llegados a este punto, se compara qué tipo de selección de variables alcanza mejores resultados.
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This paper develops a theory of the joint allocation of formal control and cash-flow rights in venture capital deals. We argue that when the need for investor support calls for very high-powered outside claims, entrepreneurs should optimally retain formal control in order to avoid excessive interference. Hence, we predict that risky claims should be be negatively correlated to control rights, both along the life of a start-up and across deals. This challenges the idea that risky claims should a ways be associated to more formal control, and is in line with contractual terms increasingly used in venture capital, in corporate venturing and in partnership deals between biotech start-ups and large drug companies. The paper provides a theoretical explanation to some puzzling evidence documented in Gompers (1997) and Kaplan and Stromberg (2000), namely the inclusion in venture capital contracts of contingencies that trigger both a reduction in VC control and the conversion! of her preferred stocks into common stocks.
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Report for the scientific sojourn carried out at the Music Technology Area (Sound Processing and Control Lab), Faculty of Music, McGill University, Montreal, Canada, from October to December 2005.The aim of this research is to study the singing voice for controlling virtual musical instrument synthesis. It includes analysis and synthesis algorithms based on spectral audio processing. After digitalising the acoustic voice signal in the computer, a number of expressive descriptors of the singer are extracted. This process is achieved synchronously, thus all the nuance of the singer performance have been tracked. In a second stage, the extracted parameters are mapped to a sound synthesizer, the so-called digital musical instruments. In order achieve it, several tests with music students of the Faculty of Music, McGill University have been developed. These experiments have contributed to evaluate the system and to derive new control strategies to integrate: clarinet synthesis, bass guitar, visual representation of voice signals.
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En la literatura de marketing se han propuesto diferentes modelos que analizan de manera parcial la relación entre la orientación al mercado (OM), la orientación empresarial (OE), la capacidad de innovación (CI) y los resultados organizacionales. El presente trabajo propone un nuevo modelo que se ajusta más a la reciente teoría sobre el tema. Utilizando ecuaciones estructurales se prueba el modelo entre una muestra de 156 pymes de reciente creación. Nunca hasta ahora se había trabajado con muestras de empresas de reciente creación en este tipo de investigaciones. El modelo propuesto presenta un mejor ajuste que otros modelos alternativos. Se comprueba que el marketing tiene un papel fundamental en el éxito de las empresas de nueva creación.