István János Tóth is a senior research fellow at the Institute of Economics of the Hungarian Academy of Sciences in Budapest where he has been working since 1997. He is graduated at Corvinus (former Karl Marx) University of Budapest in 1984. He is managing director at Research Institute of Economics and Enterprises (part-time). He has written widely on problems of hidden economy, enterprise behaviour, business tendency surveys and economic sociology. He has participated in numerous international research projects sponsored by the Commission of the European Union, USAID, EBRD, World Bank and ICEG.