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    <subfield code="a">Does insider trading really move stock prices?</subfield>
    <subfield code="f">Sugato Chakravarty, John J. McConnell</subfield>
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    <subfield code="a">Estudos pr&#xE9;vios revelam uma correla&#xE7;&#xE3;o positiva entre &#x201C;insider trading&#x201D; e varia&#xE7;&#xF5;es na cota&#xE7;&#xE3;o da bolsa, significando isto que a transac&#xE7;&#xE3;o do &#x201C;insider&#x201D; ou &#x201C;informado&#x201D; afecta a pesquisa de pre&#xE7;o de um modo diferente da transac&#xE7;&#xE3;o dita &#x201C;n&#xE3;o informada&#x201D;. Com base nestes resultados, v&#xE1;rios acad&#xE9;micos defendem a legaliza&#xE7;&#xE3;o do &#x201C;insider trading&#x201D; com vista a facilitar a pesquisa ou investiga&#xE7;&#xE3;o de pre&#xE7;o. Analisada a actividade de transac&#xE7;&#xE3;o de um confesso &#x201C;insider trader&#x201D;, Ivan Boesky, aquando da compra, em 1984, da Carnation pela Nestl&#xE9;, verificou-se a impossibilidade de distinguir o &#x201C;price effect&#x201D; da compra de Boesky das compras de &#x201C;non-insiders&#x201D;. Apresentam-se algumas conclus&#xF5;es.</subfield>
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    <subfield code="c">Seattle, WA</subfield>
    <subfield code="d">June 1999</subfield>
    <subfield code="v">Vol. 34, n. 2</subfield>
    <subfield code="t">Journal of Financial and Quantitative Analysis</subfield>
    <subfield code="x">0022-1090</subfield>
    <subfield code="p">p. 191-209</subfield>
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    <subfield code="a">INFORMA&#xC7;&#xC3;O PRIVILEGIADA</subfield>
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    <subfield code="a">MERCADO FINANCEIRO</subfield>
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    <subfield code="a">ESTUDO DE CASOS</subfield>
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    <subfield code="a">CHAKRAVARTY</subfield>
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    <subfield code="a">McCONNELL</subfield>
    <subfield code="b">John J.</subfield>
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    <subfield code="1">0</subfield>
    <subfield code="5">2022-06-06</subfield>
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    <subfield code="n">2022-06-06</subfield>
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