Silva, Sergio Da; Meurer, Roberto; Guttler, Caio - In: Economics Bulletin 7 (2008) 1, pp. 1-16
Employing both cointegration analysis and a variety of Granger causality tests, we examine whether the Brazilian stockmarket is efficient in processing new information about public macroeconomic data (semi-strong efficiency). We find the stockmarket to be inefficient, which is in line with most...