Skill-biased technical change is identified as the driving force behind the changing skill composition in OECD countries rather than structural change. The finding is partly the result of the sectoral view taken. This paper suggests a different view which uses the production process as a...

The paper presents an analysis of spatial competition between two firms in a circular market. It is shown that the existence problem of a Bertrand-Nash- Equilibrium exists for the circular market in the same way as for the linear and bounded market. This is demonstrated by directly studying the...

It is established that with the reduction of trade barriers the number of competitors on the spatial markets involved increases. This increase has short run consequences for price competition. If the trade liberalisation is anticipated by the domestic producers they will respond by changing the...