We perform an event study to investigate stock returns associated to the announcement of equity issues by Brazilian firms between 1992 and 2003 aiming to determine the market reaction before, during, and after the issue announcement. After measuring abnormal returns by OLS, we used ARCH and...

Past researches have revealed significant abnormal returns for bonus issues even though the bonus issue date is known in advance and the distribution contains no new information. This study examines the stock price reaction to the information content of bonus issues with a view of examining the...

Past researches have revealed significant abnormal returns for bonus issues even though the bonus issue date is known in advance and the distribution contains no new information. This study examines the stock price reaction to the information content of bonus issues with a view of examining the...

Any attempt to measure the impact of the 9/11 attacks is faced with the difficulty of separating the effects of the attacks from the impact of a wider economic recession and other simultaneous events. This study attempts to isolate the effect on New York office rental and vacancy rates by...

Comment offrir à aux entreprises, en particulier les petites, une évaluation individualisée de leur qualité, leur permettant, d’une part, de mieux gérer leurs projets et leur développement et, d’autre part, de signaler leur qualité aux tiers, dont les banques. Le problème...

The classical Quadratic Programming (QP) formulation of the well-known portfolio selection problem has traditionally been regarded as cumbersome and time consuming. This paper formulates two additional models, (i) maximin, and (ii) minimization of mean absolute deviation. Data from 67 securities...

In practice, all option strategies are decided in advance, given the investor’s belief of the stock price. In this paper, instead of deciding in advance the most appropriate hedging option strategy, an LP problem is formulated, by considering all significant Greek parameters of the...

The Commission was asked in February 2001 to review the Superannuation Industry (Supervision) Act and certain other superannuation legislation. Superannuation savings are growing rapidly and now amount to more than $500 billion. Most of the workforce is covered by superannuation. The community...