Benassi, Mario; Grinza, Elena; Rentocchini, Francesco; … - 2021
relationship. We exploit a rich longitudinal matched patent-firm data set on the population of large firms that filed 4IR patents … identify 4IR patents, we use a novel two-step procedure proposed by EPO (2020), based on Cooperative Patent Classification (CPC …IR patents and labour and total factor productivity. We also find that firms with a long history in 4IR patent filings …