This paper analyzes the relationship between the three enterprise software systems (enterprise resource planning (ERP), supply chain management (SCM), customer relationship management (CRM)) and firms’ innovative performance for process as well as product innovations. Using German firm-level...

This paper analyzes the relationship between service innovation and different types of enterprise software systems, i.e. standardized enterprise software designed to fit one certain business sector and enterprise software specifically customized for a single firm. Using recent firm-level data of...

We propose an empirical strategy to estimate competition in innovation markets. Our method relates firms' market return on equity to information about patent citation patterns. Two innovations are implemented in the methodology. First is the application of daily abnormal stock returns rather...