This paper uses completely new data to study the variations in beta when it deviates from the constancy assumption presumed by the market model. The concentration of the various researches on beta based on post 1926 data makes the 19th century Brussels Stock Exchange (BSE) data a very good...

In this paper, we use stock price data between the years 2007 and 2010 to investigate the allocation of assets on the GSE. The Classical Markowitz optimization method shows that, the most profitable portfolio is obtained by investing 90% of wealth in non-financial assets and 10% in financial...