This paper proposes a total return-based framework to study flight-to-quality phenomenon of fixed-income securities. It consists of three elements: (i) the general definition of event; (ii) the typological classification of the phenomena to be able associate them with the phases of business...

This article reports the results of tests on the weak-form market efficiency applied to the PSI-20 index prices of the Lisbon stock market from January 1993 to December 2006. As an emerging stock market, it is unlikely that it is fully information-efficient, but we show that the level of...

This paper uses the DEA-CCR and the DEA-BCC models to evaluate the performance of Greek life insurance companies in the period 1994 to 2003, combining operational and financial variables. These models identify adequately the inefficient companies, but are weak in discriminating among those found...

Purpose – The purpose of this paper is to discuss the stock price adjustment after a dividend distribution, allowing for different types of investors and market imperfections, including taxes and transaction costs. Design/methodology/approach – An arbitrage model is developed to determine...

Since the 1960’s, there is an ongoing debate on dividend policy, which remains a controversial issue to this day. Why do firms pay dividends? The academics have not been able to agree on any convincing explanation, and the same time, many even claim that firms should not pay dividends, and so...

The dividend irrelevancy proposition, which states that dividends have no impact on the market value of the firm, is only valid under the hypothesis of perfect markets. If market imperfections are considered, namely, the existence of taxes, then dividend distributions became relevant for the...

This paper reports the results of tests on the weak-form market efficiency applied to stock market indexes of France, Germany, UK, Greece, Portugal and Spain, from January 1993 to December 2007. We use a serial correlation test, a runs test, an augmented Dickey-Fuller test and the multiple...

Acquisition announcements influence the stock price of target firms, providing an opportunity for insiders to obtain significant abnormal returns. We study the presence of positive abnormal returns before the announcement date, in target firms, quoted in Euronext markets (Belgium, France, The...

This article analyses the determinants of banks' profitability in the Portuguese banking sector during the period 1990 to 2005. The study extends the established literature on modelling the banks'k performance by applying a Fourier approximation in order to detect for possible nonlinearities...

This paper reports the results of tests on the weak-form market efficiency applied to stock market indexes of UK, France, Germany, Spain, Greece and Portugal, from January 1993 to December 2007. We use a runs test, and joint variance ratio tests, which are performed using daily and weekly data...