1. Directed technological change and productivity growth: the Italian evidence 1861-2010. (2017) Authors: Antonelli, Cristiano; Amidei, Federico Barbiellini; Feder, Christophe Journal: International journal of computational economics and econometrics Issue: Volume 7:Number 3(2017) Page Start: 238 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗