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    • Analysts’ recommendations in Brazil: do they add value? 

      Eid Júnior, William; Rochman, Ricardo Ratner
      2006-09
      This paper examines the value of analysts’ recommendations in Brazilian Stock Market. We studied a sample of 294 weeks of recommendations make public by the best seller newspaper in Brazil with six different investment ...
    • Cognitive biases and power in colective decision making 

      Cunha, Gustavo Rodrigues
      2015
      The present work analysed the relationship between cognitive biases and power in a collective decision making context. Notably, the analyse of investment clubs indicated that power may affect confidence in a stock market ...
    • Does active management add value? The Brazilian mutual fund market 

      Eid Júnior, William; Rochman, Ricardo Ratner
      2009-07
      Does active management add or destroy value? With a sample of 699 with four different main categories: stocks, fixed income, hedge and exchange rate mutual funds we conclude that the active management add value to investors ...
    • Investimentos e economia 

      Eid Júnior, William
      2012
      Apresentação elaborada para o seminário Investimentos e Economia.
    • Long memory properties and agents’ behavior: an interesting connection 

      Fernandes Neto, Fernando; Garcia, Claudio
      2015
      The aim of this work is to establish an interesting connection between the behavior of economic agents and the long memory features that generally occur in a wide set of time series found in economic/financial problems. ...