“…In our analysis of the effect of initial conditions evident at the end of the communist period, we focus on four main regional determinants, namely: knowledge, entrepreneurial culture (remaining level of selfemployment), agglomeration economies (population density), and industry structure (Stam, 2010). At a regional level, most other potential determinants are strongly correlated with these factors, or reflect a specific aspect of one or more of these four categories of determinants (Wyrwich, 2014; see also Section 4.1, for further details).…”