“…The results of the study may turn out to be valuable not only for stock exchange investors, but also for entities associated with the organization of events, such as sponsors, sporting event managers, and organizations of large sporting events. Although, in principle, this study is conducted on the basis of the economic trend with the use of event study methodology, the authors are aware of the imperfections of economic theories based mostly on the efficient-market hypothesis (Fama, 1970) and to a lesser extent on behavioral finance theory (Oprean & Tanasescua, 2014; Zawadzki, 2018). Therefore, in the section devoted to theories and theoretical models, an attempt was made to present other, non-economic theories adopted in different studies of sport management and sports economics (Eshghi et al, 2022; Filis & Spais, 2012).…”