The first issue of shares is the key moment in the life cycle of any company that was not previously listed on a stock exchange. Considering the fact that transformation into a public open joint stock company brings along a number of advantages and challenges, it would be of great importance to...

ARCH modelling framework of Engle (1982) and its GARCH generalization of Bollerslev (1986) gave a huge impetus to econometric model building in the field of financial time series with time-varying variance. The main idea of the models was to describe the most typical features of capital markets...