Showing 11 - 20 of 75
Portuguese Abstract: O objetivo deste artigo é analisar o gerenciamento de resultados (GR) ao redor do evento de emissão de títulos de dívidas (debêntures) das empresas listadas na BM&FBOVESPA. Com isso, ele busca verificar se as empresas inflam seus resultados financeiros no período de...
Persistent link: https://www.econbiz.de/10013028312
A avaliação de técnicas de combinação de previsões para previsão de valores esperados de uma série é um tópico bastante difundido, com a recomendação do uso de tais técnicas para previsão. Por outro lado, não há estudos comparativos do desempenho de combinação de previsões...
Persistent link: https://www.econbiz.de/10009319473
El modelo de valoración de activos basado en el consumo, CCAPM, ha sido objeto de estudio para distintas economías, dando lugar a diversas anomalías empíricas, entre ellas, el denominado enigma de la prima de riesgo. Los valores del parámetro de aversión relativa al riesgo necesarios para...
Persistent link: https://www.econbiz.de/10009358648
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
Neste artigo elabora-se uma abordagem empírica, com recurso a técnicas econométricas apropriadas para dados em painel, que visa contribuir para a redução (ou mesmo eliminação) do desvio entre os valores contabilístico e de mercado das empresas. Tendo por base 20 das empresas que mais...
Persistent link: https://www.econbiz.de/10008480928
This study tests the value relevance of R&D expenses for the Portuguese context. The methodology adopted is based on econometric models, and takes into consideration the kind of information companies display and the adoption of IASB accounting standards in 2005. The empirical evidence suggests...
Persistent link: https://www.econbiz.de/10008550328
Asset price fluctuations: comparing rational speculative bubbles and the keynesian approach The principal aim of this paper is to analyze the limits of the conventional approach to speculative rational bubbles as an explanation for price fluctuations in financial assets. It is argued that the...
Persistent link: https://www.econbiz.de/10004988710
Capital stock in residential structures, as well as the distribution of its appropriation and ownership among families are fundamental determinants of the wealth, welfare and productivity of the economy. As part of a broad project on the stock of capital of the Brazilian economy in the 20th...
Persistent link: https://www.econbiz.de/10011818839
Capital stock in residential structures, as well as the distribution of its appropriation and ownership among families are fundamental determinants of the wealth, welfare and productivity of the economy. As part of a broad project on the stock of capital of the Brazilian economy in the 20th...
Persistent link: https://www.econbiz.de/10011583173
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