SÁNCHEZ-PÉREZ, Rosario; DÍAZ-MAYANS, M. Ángeles - In: Theoretical and Practical Research in Economic Fields IV (2013) 1, pp. 89-96
productivity. Moreover size has been found a highly significant variable in explaining differences in firm's innovative activities … and the returns of R&D expenditures, and it is a well-established connection between productivity and innovative … efficiency and then over their productivity. The analysis takes, also, into account other variables that could affect the …