We consider option pricing when dynamic portfolios are discretely rebalanced. The portfolio adjustments only occur after fixed relative variation of the stock price. The stock price follows a marked point process and the market is incomplete. We first characterize the equivalent martingale...

This paper evaluates the forecasting performance of a continuous stochastic volatility model with two factors of volatility (SV2F) and compares it to those of GARCH and ARFIMA models. The empirical results show that the volatility forecasting ability of the SV2F model is better than that of the...

We scrutinise in this paper the systemic consequences of state intervention triggered by external shocks for the dynamics of investment in the transforming Chinese economy. Our analysis focuses on the period before and after the global crisis. We interpret investment dynamics in a comparative...

The entire venture capital sector of Central and Eastern Europe is characterised by the increased weight of state resources. The strengthening of public activities is mainly due to the new type of equity schemes introduced in the European Union's 2007 to 2013 programming period, which allowed...