by labour productivity. To this end, the stochastic frontier technique is used on a unique unbalanced longitudinal … firms. From a policy perspective, the results of this study suggest that - if the aim is to leverage firms' productivity … other hand, corporate R&D in the low-tech sector is found to have a minor effect in explaining productivity. Instead …

the traditional (desirable-output-oriented) technical productivity and the undesirable-output-oriented environmental, or … so-called "green", productivity. To measure the latter, we derive a Solow-type Divisia environmental productivity index … which, unlike conventional productivity indices, allows crediting the ceteris paribus reduction in undesirable outputs. Our …