On 07-08^th March 2019, The Institute for Financial Research and Analyses (IBAF) hosted the International Seminar: “Entrepreneurship and Development from Regional Perspective. Exchange of Academic Experiences among Erasmus+ Program Countries” at University of Information Technology and Management in Rzeszów, Poland. CISAR researcher, Prof. dr. Adnan Efendic, presented results of the research “Costs of informal networking of entrepreneurs – evidence from the Western Balkans region” from INFORM project. It was noted that investing in informal networks is done at a high cost, which implies that the culturally determined sociability of informal networking has an instrumental purpose in this region.