This study tests the relationship between financial leverage and firm performance. Previous studies found mixed results (e.g., Gill et al. 2011, Mouna et al. 2017, and Abubaker (2015). Some suggest including the effect of the firms' business strategy and the degree of competitiveness on the...

Over the past years, businesses have had to tackle the issues caused by numerous forces from political, technological and societal environment. The changes in the global market and increasing uncertainty require us to focus on disruptive innovations and to investigate this phenomenon from...