The aim of our study is to spell out and analyse the possibilities of data access, focusing on data that are used as an input of scientific research. We give a brief overview of the current legal background in Hungary. Based on normative economic analysis, we outline the main features of an...

The aim of our study is to spell out and analyse the possibilities of data access, focusing on data that are used as an input of scientific research. We give a brief overview of the current legal background in Hungary. Based on normative economic analysis, we outline the main features of an...

The paper provides a review of basic elements of asymptotic theory. Topics include modes of convergence, laws of large numbers and central limit theorems.

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...