“…As a result, a discussion of a firm's aspirations for growth, scale of production and performance in transitioning economies without recourse to a study of institutional issues is liable to be incomplete [Aidis et al, 2008;Aidis, 2015;Welter, Smallbone, 2011;Smallbone et al, 2014;Krasniki, Desai, 2016;Wang, You, 2012]. Moreover, an institution-based study has become the main theoretical framework for business research on emerging economies and researchers tend to explore the interplay of formal and informal institutions at multiple levels of analysis [Thorsten et al, 2005;Meyer, Peng, 2005Estrin et al, 2013]. In our research, we are mostly interested how the institutional environment, assessed by the level of regional corruption, determines the perceptions of firms concerning optimal scale.…”