Technology development in firms is frequently based on a combination of internal and external technological learning. Consequently, firms need to develop both technological capital (a patent portfolio) and alliance capital (a portfolio of technology alliances). This paper examines the...

Starting from the premise that firms are distinct in terms of their capacity to create radical product innovations, the present paper attempts to explore how firms choose between different forms of R&D cooperation and their consequences for social welfare. It studies a duopolistic market, where...