“…Following this, the auditor needs more resources (more employees involved in the audit) which results in a audit fee increase. Researchers usually determine the company size based on the total assets (Wallace & Naser, 1996;Inchausti, 1997;Ali, Ahmed & Henry, 2004;Galani, Alexandridis, & Stavropoulos, 2011;Ali & Aulia, 2015;Demirkan & Zhou, 2016;Liu, 2017), sales volume (Inchausti, 1997;Depoers, 2000;Prencipe, 2004;Rouf, 2011) or market capitalisation (Naser, Al.-Kwari, & Nuseibeh, 2006;Chatterjee & Mir, 2008). The company size is also determined based on various combinations of data from the balance sheet of the company, such as the volume of inventories, debt, liabilities or receivables (Simunic, 1980;Taylor & Simon, 1999;Hay, Knechel, & Wong, 2006;Hassan & Naser, 2013).…”