Lybbert, Travis J.; Zolas, Nikolas J. - In: Research Policy 43 (2014) 3, pp. 530-542
algorithmic approach to constructing concordances between the International Patent Classification (IPC) system that organizes … concordances. Based on these comparisons, we discuss advantages of this approach relative to conventional approaches. ALP … concordances provide a meso-level mapping to industries that complements existing macro- and firm-level mappings – and open new …