If Janossy's theory should concisely be drafted, one might say that he had been researching the "real carrier of … economic development" in a very original way and having formulated his theory in a specific language. He managed to identify … growth theory that have appeared in the nineties. The "real carrier of economic development" matches to the "human capital …

In this paper we investigate the relationship between productivity growth and firm dynamics using firm-level data … between 1992 and 2006. Theories emphasising firm-level heterogeneity show that industry-level productivity may not only … was the main factor behind industry-level productivity growth in Hungary in this period, but creative destruction also …