Firm-level heterogeneity is substantial even in narrowly defined industries. This paper focuses on formulating evolution dynamics which can account for the observed heterogeneity and its maintenance. Based on examination of data on Swedish firm’ supply pattern to different markets over time,...

This paper investigates whether domestic firms’ productivity is an increasing function of imports from the most knowledge intensive economies in the world, i.e. the G7 countries. Using Swedish firm-level data, we confirm an instantaneous causality going from imports to productivity. We also...

The paper studies innovative performance of 130 Swedish corporations for 1993-94, using number of patents per corporation as a function of internal and external knowledge sources to the corporation. A coherent way of handling accessibility measures, within and between corporations located across...

This paper attempts to explain knowledge production in Swedish functional regions as measured by the number of patent applications. Recognizing that technological opportunity differs across sectors, a sectoral analysis is conducted. The Knowledge Production Function (KPF) approach is applied in...

Two not mutually exclusive hypotheses can explain the empirically established export premium: self-selection of more productive firms into export markets and learning-by-exporting. We reassess the learning-by-exporting hypothesis and maintain that the scope for learning is related to the...