“…Other commonly used control variables are Growth and firm's age. Growth is usually measured as Growth of Sales, appearing in five reviewed studies (Abor, 2005;Abor, 2007;Salim and Yadav, 2012;Zeitun andSaleh, 2015 andEl-Chaarani, 2015 Ohmar, 2015). On the other hand we can expect negative effects, since with aging it is normal to occur an increase of organizational rigidities, the rise of costs, margins thin, growth slows, obsolescence of assets, and reduction of investment and R&D activities (Loderer and Waelchli, 2009).…”