EFEITOS NO RETORNO E NA LIQUIDEZ MéDIA DAS A??ES DE EMPRESAS QUE EMITIRAM ADRs NA NYSE E DAS QUE ADERIRAM AO NOVO MERCADO

摘要

The effects on return and on average liquidity of the shares, in the two situations (when some companies adhere and meet the requirements of New Market and when some companies issue ADRs, and so meet the Sarbanes-Oxley requirements) are assessed in this r