Gómez, Mario; Rodríguez, José Carlos - In: Revista Nicolaita de Estudios Económicos IV (2009) 1, pp. 41-56
This paper analyzes innovative activity in North America and European Union (EU) countries by means of the number of patents granted from 1965 to 2005. Making use of the database released by the World Intellectual Property Organization (WIPO), we search for presence of a structural change patent...