According to the president of the Bulgarian International Business Association, Kirko Kirkov, companies perceive the phenomenon as something "improper, but unavoidable, efficient and convenient".
Potrivit preşedintelui Asociaţiei Internaţionale de Afaceri din Bulgaria, Kirko Kirkov, companiile percep fenomenul ca fiind ceva "incorect, dar inevitabil, eficient şi convenabil".