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Persistent link: https://www.econbiz.de/10001240326
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
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
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
volatility to investigate the low volatility anomaly. Between January 2003 and June 2017, the low volatility portfolio presented … a 15.5% annual return above the high volatility portfolio, with statistical significance in alpha as in the Sharpe Index …
Persistent link: https://www.econbiz.de/10012846744
authorities in 2012 on the market volatility of both sectors and their covariance. We also adopt the volatility impulse response …
Persistent link: https://www.econbiz.de/10011372325
authorities in 2012 on the market volatility of both sectors and their covariance. We also adopt the volatility impulse response …
Persistent link: https://www.econbiz.de/10011338737
Persistent link: https://www.econbiz.de/10003650177
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