The aim of this article is to summarize exhaustively and concisely, the different methodologies for estimating the volatility that has been proposed for the real options approach (ROA), and also provide a theoretical and practical explanation for estimating an unbiased volatility and...

The accounting information offer is influenced, on the one side, by external factors and their pressure on the accounting system, and on the other side by the way in which the accounting information is regulated and developed. According to economic theory, the demand for accounting information...

The valuation of options and to a large extent the financial derivatives market require an optimal estimation of the volatility, since this is precisely the variable that is negotiated. We present then a statistical methodology for the estimation of the volatility parameter for an asset using...

The volume of transaction varies according to several factors. Of a point of view of the behavioural finance, a high level of this last can be assigned to a phenomenon of overconfidence or a disposition effect. This paper studies these two phenomena as well as the one of the asymmetry of the...

The catastrophe bonds have become an important asset class of the international financial market and the recent disasters that affected economies all over the world reinforced the need of reflection upon this risk transfer instrument. Within this context, this paper is an attempt of modelling...