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...

Venture capital and private equity financing has become an important mechanism for the development and radical transformation of companies worldwide in recent decades. Nevertheless, the venture capital and private equity sector covers only a relatively small proportion of economic activity...

The study provides a brief summary of the theoretical and empirical considerations related to the possible determinants of firm growth. With a special focus on small and medium-sized firms, we investigate the role of the availability of internal and external finance. After examining the key...

The study provides a brief summary of the theoretical and empirical considerations related to the possible determinants of firm growth. With a special focus on small and medium-sized firms, we investigate the role of the availability of internal and external finance. After examining the key...

Venture capital and private equity financing has become an important mechanism for the development and radical transformation of companies worldwide in recent decades. Nevertheless, the venture capital and private equity sector covers only a relatively small proportion of economic activity...

Also published as DFAE-II Working Paper 2002-26 and as an article in: Journal of Economic Dynamics and Control, 2004, vol. 28, issue 11, pages 2297-2325

In the wake of regulatory, information technology and methodological changes, statistical property valuation has been gaining traction in Hungary. This paper looks at the available methods of appraisal based on the literature. We provide an overview of the advantages and drawbacks of the...

The aim of this study is to review what we know about depositors' behavior, using empirical observations and experimental data. I find that both fundamental problems and coordination failures between depositors explain depositors' behavior and therefore the emergence of bank runs. I show that...