concentrating growth stimulating activities such as spending on research and development or active job creating instruments should give economy a stimulus and ensure 
Concentrating on growth-stimulating activities, such as spending on research and development, innovation or active job-creating instruments, should give the European economy a stimulus and ensure a return to growth.
Concentrating growth-stimulating activities, such as spending on research and development, or active job-creating instruments, should give economy a stimulus and ensure a return growth.