Godeiro, Lucas Lúcio; Silva, Cesar R. da; Rodrigues, … - In: Journal of finance and investment analysis 2 (2013) 2, pp. 15-39
The paper tests the CAPM for the Brazilian stock market using dynamic betas. The sample involves 28 stocks included in …. The main contribution of the paper is the estimation of dynamic betas for Ibovespa shares, which can be useful for …