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An article about Kihlstrom and Mirman about comparative risk aversion with many goods is critiqued. If "more risk averse" is interpreted as signifying that an individual is less willing to accept a median-preserving spread, then risk aversion cannot be compared across individuals with different...
Persistent link: https://www.econbiz.de/10009642939
industry factors to alpha. Using measures for investor sophistication, we also find that more sophisticated investors tend to …
Persistent link: https://www.econbiz.de/10012834087
English Abstract: The long-horizon event study methodology is used to document the severe impact of the US subprime mortgage crisis on the Colombian economy. The estimated parameter of a constant mean return model is used to derive the “abnormal return” on the market portfolios of Colombia...
Persistent link: https://www.econbiz.de/10012949082
This paper examines how regulatory interventions can affect the market risk of electricity utilities and telecom carriers traded in the Brazilian stock market. Our article uses a bivariate Generalized AutoRegressive Conditional Heteroskedasticity (GARCH - BEKK) model to analyze the impact of two...
Persistent link: https://www.econbiz.de/10011372325
This paper examines how regulatory interventions can affect the market risk of electricity utilities and telecom carriers traded in the Brazilian stock market. Our article uses a bivariate Generalized AutoRegressive Conditional Heteroskedasticity (GARCH - BEKK) model to analyze the impact of two...
Persistent link: https://www.econbiz.de/10011338737
Portuguese Abstract: Este estudo avalia o comportamento de carteiras formadas por ativos do mercado acionário brasileiro ordenados em função de sua volatilidade para investigar a anomalia de baixa volatilidade.Entre janeiro de 2003 e junho 2017, o portfólio de baixa volatilidade apresentou...
Persistent link: https://www.econbiz.de/10012846744
Portuguese Abstract: O prémio de risco (PR) é um elemento primordial tanto na determinação da rentabilidade esperada dos ativos, como na determinação do custo de capitais, aspetos tão importantes em finanças empresariais como em avaliação de empresas.O PR histórico é o mais...
Persistent link: https://www.econbiz.de/10012995029
Portuguese Abstract: O crescimento vigoroso da indústria de Private Equity no mundo gerou questões fundamentais, como por exemplo explicar se as empresas abertas previamente investidas por estes gestores geram retornos reais aos seus acionistas, após o evento do IPO. Pouco se analisou,...
Persistent link: https://www.econbiz.de/10012949907
In the nonconventional economic literature decision processes are mainly analyzed on the basis of cognitive aspects … conventions). The fuzzy logic, in turn, offers a form of treating the decision process when agents only have imprecise and …
Persistent link: https://www.econbiz.de/10008461600
We thoroughly describe the workings of the Brazilian interbank exchange rate market: agents, products, regulation, operation and risks. We analyse the recent evolution of the exchange rate market and came to a negative evaluation of the current exchange rate trading system, thereby suggesting an...
Persistent link: https://www.econbiz.de/10011807334