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Restates the importance of asset volatility forecasts for option pricing and portfolio management and outlines previous research on forecasting models. Discusses the relative information content and predictive power of implied and historical volatility and the existence of overreaction in option...
Argues that the Greek secondary bond market (opened in March 1999) needs a specific index to approximate its market portfolio for measuring systematic risk (beta) since the Athens Stock Exchange (ASE) index may be misleading. Puts forward a weighted index and explains the five steps involved in...
Assesses the 1995‐1998 performance of ten domestic balanced mutual funds in the Greek financial market using daily net asset value per unit. Ranks them on the basis of daily average return, total risk, coefficient of variation, systematic risk, Treynor’s index, Sharpe’s index and Jensen’s alpha....
Outlines previous research on the capital asset pricing model and its extensions; and fluctuations in the Greek economy and capital market between 1980 and 1992. Develops a mathematical, multi‐factor, risk‐return model and applies it to Greek data for this period, split into two sub‐periods:...
Outlines the models devised by Jensen (1968, 1969) and Treynor and Mazuy (1966) for measuring the performance of managed portfolios and related empirical research. Applies the Treynor‐Mazuy model to a sample of 17 Greek equity mutual funds using 1995‐1998 daily returns data and presents the...
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