In this paper we empirically investigate the relationship between investments in environmentally-oriented equipment and firms' export performance. Drawing on Porter hypothesis and firm heterogeneity theory, we adopt a structural model where first we estimate the impact of green investment...

We investigate whether firm performance is related to the accumulated stock of technological knowledge associated with the Fourth Industrial Revolution (4IR) and, if so, whether the firm's history in 4IR technology development affects such a relationship. We exploit a rich longitudinal matched...