A cobertura noticiosa e as rentabilidades anormais extremas das ações das empresas do PSI-20

The information about companies operating in the capital market is not restricted to messages disclosed by companies neither by or trough regulatory authorities. There are other different entities that disclose information. In this context, the media, particularly the economic press, are assumed to...

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Bibliographic Details
Main Author: Ana Luísa Nogueira Parada Ferreira e Silva (author)
Format: masterThesis
Language:por
Published: 2017
Subjects:
Online Access:https://hdl.handle.net/10216/107599
Country:Portugal
Oai:oai:repositorio-aberto.up.pt:10216/107599