The purpose of this paper is to test the nature of competition concerning price and capacity setting in the Norwegian airline industry after the deregulation in 1994. Did the two airlines, SAS and Braathens, compete on prices and capacities (competition), collude on prices and capacities...

The occurence of agglomerations raises several questions: How come that economic activity is agglomerated instead of evenly spread out across space? What implications do agglomerations have for welfare (earnings, employment, etc.) and economic policy? How do increased globalisation and...

We test for internal and external economies of scale in European manufacturing employing a more disaggregated data set than what has been used in earlier analyses, and aim to separate externalities from common business cycle effects. Fifteen European manufacturing industries in Germany, France,...

In this paper we analyse vertical industry linkages and the extent to which these work as channels for externalities. First, activity based externalities stemming from output growth and output level in vertically linked industries are tested for. Second, we aim at revealing the importance of a...

In this case study of the Swedish beer market we relate the volatility of firms' market shares to changes in their products' market shares. We focus on the four leading firms' product portfolios, and in particular the development of the market shares of old, newly introduced, and withdrawn...

We examine the role of the Norwegian education system in explaining the moderate and stable earnings dispersion in Norway. Estimating earnings equations for 1980 and 1990, we find that returns to education have been remarkably stable in Norway, also when we compare returns to education across...

In spite of the large and growing literature on producer heterogeneity and firm exit behavior, little attention has been paid to the vintage capital theory of firm exits as an alternative hypothesis to learning/selection. Interpreted at the firm level the vintage capital theory predicts that...