debt structure, and the effect of this on corporate profitability. The assumption on which the study was based is that, if … profitability but no significant relationship between firm's working capital composition and profitability. The results, however … profitability is positively affected. The study therefore recommends that, for firms to optimize profitability and to maintain good …

Operating leverage increases profitability and reduces optimal financial leverage. Thus, operating leverage generates a … negative relation between profitability and financial leverage that is thought to be inconsistent with the trade-off theory …, but is commonly observed in the data. We demonstrate the effect of operating leverage on firms' profitability and …