4,745 research outputs found
Μοντέλα Markowitz σε διάφορες κλάσεις μέτρων κινδύνων
No full textΣτα χρηματοοικονομικά ο κίνδυνος αναφέρεται στην πιθανότητα οικονομικών απωλειών. Για τον λόγο αυτό η ικανότητα ποσοτικοποίησης του κινδύνου είναι σημαντική για τους επενδυτές και τους χρηματοοικονομικούς οργανισμούς.Το 1952 ο Harry Markowitz, στο άρθρο του Portfolio Selection, παρουσίασε ένα υπόδειγμα κατασκευής και επιλογής αποτελεσματικών χαρτοφυλακίων. Ο Markowitz έθεσε τις βάσεις για την ανάπτυξη της σύγχρονης θεωρίας χαρτοφυλακίου.Στην παρούσα εργασία γίνεται μια εκτενής αναφορά στο μοντέλο του Markowitz, στα σημεία τα οποία μειονεκτεί και στη συνέχεια γίνεται παρουσίαση μέτρων κινδύνου που ικανοποιούν σημαντικές επιθυμητές ιδιότητες
Modelo de gestión de carteras de Markowitz usando algoritmos genéticos
No full textCon su artículo de 1952, Harry Markowitz
simplificó notablemente el problema de selección
de inversiones en el mercado accionario. En este
artículo se introduce al lector en la propuesta de
Markowitz y se propone un algoritmo genético
para deducir la combinación de dos activos
(cartera), que obtenga la más alta rentabilidad
para su inversión y al mismo tiempo obtener el
menor riesgo. En la última parte se aplica el
algoritmo genético en dos casos de estudio reales
con registros mensuales obtenidos entre 2009 y
2013.In 1952, with his article, Harry Markowitz, he
greatly simplified the problem to choice the
correct investing in a stock market. In this work,
the reader is introduced in the Markowitz’s
proposal and it is proposed a genetic algorithm
for computing a portfolio that reduce risk and
maximize return between two assets. In the
last part, the genetic algorithm is applied in two
real case studies with monthly records obtained
between 2009 and 2013
Análisis de rentabilidad y riesgo de un portafolio de inversión, aplicando el modelo de Harry Markowitz
No full textTrabajo de investigaciónAnalizar el rendimiento y riesgo de un portafolio de inversion, compuesto por los activos financieros que se negocian en la Bolsa Valores de Colombia, para un período de cinco años. Aplicando el Modelo desarrollado por Harry Markowitz, que busca la conformación de portafolios y diversificación de inversiones, que permitan obtener al inversionista la máxima rentabilidad controlando el riesgo.EspecializaciónEspecialista en Análisis y Administración FinancieraResumen
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Keywords
Planteamiento del problema
Justificación
Objetivos del Trabajo
Planteamiento de la Hipótesis Marco Teórico
Marco Metodológico
Procedimiento
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Harry Markowitz e impacto na otimização de portfólio
No full textEsta monografia explora o impacto das contribuições de Harry Markowitz na teoria moderna de portfólio e na gestão de investimentos. Markowitz é reconhecido por introduzir o conceito de Fronteira Eficiente, que permite aos investidores maximizarem o retorno para um nível específico de risco por meio da diversificação de ativos. O trabalho também aborda a relação entre risco e retorno, destacando a importância da correlação negativa entre ativos para a construção de carteiras eficientes. Além disso, discute-se o impacto das ideias de Markowitz no mercado financeiro brasileiro, considerando o crescimento dos ETFs, a evolução dos IPOs e o papel das gestoras de investimento na otimização de risco e retorno. A teoria de Markowitz influenciou diretamente o desenvolvimento do CAPM (Capital Asset Pricing Model) e moldou as estratégias de alocação de ativos adotadas por investidores e gestores de fundos. Adicionalmente, a crise financeira de 2008 é analisada ilustrando os desafios e os riscos enfrentados por fundos multimercadoThis monograph explores the impact of Harry Markowitz's contributions to modern portfolio theory and investment management. Markowitz who is recognized for introducing the concept of the Efficient Frontier, which allows investors to maximize returns for a given level of risk through asset diversification. The study also addresses the relationship between risk and return, highlighting the importance of negative correlation between assets in building efficient portfolios. Furthermore, the impact of Markowitz's ideas on the Brazilian financial market is discussed, considering the growth of ETFs, the evolution of IPOs, and the role of investment managers in optimizing risk and return. Markowitz's theory directly influenced the development of the CAPM (Capital Asset Pricing Model) and shaped asset allocation strategies adopted by investors and fund managers. Additionally, the 2008 fiscal crisis is analyzed to illustrate the challenges and risks faced by multimarket fund
Harry Pepper Fonds
No full textThe fonds consists of newspaper articles written by Harry Pepper from the Rossland Miner and the Trail Times.Born in 1913, Harry Pepper spent most of his youth in Suffolk, England, before immigrating to Canada in 1929. He spent his early years in Canada working on farms during the summer months, and in the bush during the winter. In 1940 he enlisted for the war, and joined the RoyaL Canadian Artillery, fighting in the 8th Canadian Field Regiment. During the war, Harry served in England, North Africa, Italy, France, Belgium and Holland. While overseas, he married, and his new family returned to Canada in 1945. He moved to Trail as a foreman of the 4X Bakery in 1946, and was later employed by Buchan’s Bakery. In 1949 he began working at Cominco, and stayed there until his retirement. Harry Pepper was incredibly active in the sports community in Rossland, and volunteered with soccer, baseball, softball, lacrosse, and hockey. He was also an avid Curler and Golfer. He wrote a sports column for the Rossland Miner called “As I See It” and stayed with the newspaper until the building burned down and it subsequently went out of business. On his 60th birthday, he was asked to do a sports column in the Trail Daily Times called “Pepp Talk”
Teoría y realidad: el aporte de Harry Markowitz a la administración de portafolios en Argentina
No full textEl objetivo del presente trabajo es simular el retorno que hubieran obtenido los Fondos Comunes de Inversión de acciones argentinas, en el trienio 1995-1997, si sus administradores hubieran utilizado el modelo teórico de optimización de cartera desarrollado por el destacado economista Harry Markowitz (Premio Nobel1991), y que ha generado grandes controversias hasta nuestros tiempos
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