1. Cluster Analysis for Applications;Anderberg,1973
2. Increasing Returns and Path Dependence in the Economy;Arthur,1994
3. The Nature of Technology: What it Is and How it Evolves;Arthur,2009
4. European Innovation Scoreboard—EXIS: An Exploratory Approach to Innovation Scoreboards;Arundel,2004
5. Innovative activity and firm characteristics—a cluster analysis with firm-level data of swiss manufacturing;Arvanitis,1998