This paper develops a framework to appreciate the observed heterogeneity of firm size distributions and the entry and exit of products and firms associated with it. It is based on a model where new products are introduced by innovating firms in a quasi-temporal setting of monopolistic...

This report presents a case study of the role of a large R&D intensive multinational company for a small open economy. The case study examines the role of AstraZeneca in the Swedish economy, i.e. an economy dominated by multinational companies. The purpose of the report is to analyze the...

This paper introduces a model where new products are introduced by entrepreneurs or innovating firms in a quasi-temporal setting. Market conditions are characterized by monopolistic competition between varieties belonging to the same product group, where varieties can become obsolete over time...

The paper focuses on challenges and potentials for policy in the presence of fundamental change processes that influence the long-term evolution of regions. The perspective in the paper implies that policy can be viewed as ‘management of change’. We present a conceptual model for...

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 volume provides an understanding of firms' R&D and innovation strategies and their economy-wide consequences. It is based on the premise that differences in firm-level returns, as well as economy-wide outcomes, may be linked to the heterogeneous ways in which firms organize and undertake...