Dosi, G.; Grazzi, M.; Marengo, L.; Settepanella, S. - Dipartimento di Scienze Economiche, Alma Mater … - 2014
The paper presents a new framework to assess firm level heterogeneity and to study the rate and direction of technical change. Building on the analysis of revealed short-run production functions by Hildenbrand (1981), we propose the (normalized) volume of the zonotope composed by vectors-firms...