The past two decades have resulted in an increase of international trade, capital flows and cross-border economic integrations. These phenomena have increased the demand for harmonized international accounting standards aimed to create an efficient resource allocation, worldwide. The adoption of IFRS is the result of a process towards a greater accounting harmonization. In Sweden, there are four categories of firms that apply IFRS; three are regulated by law, while the fourth are voluntary applying IFRS. The aim of this study is to find out which the factors are for the firms that voluntary...