This paper examines the evolution of a skew distribution of firm sizes from the viewpoint of the 'Bounds' approach to market structure. It confines attention to the role played by non-strategic factors (statistical independence, and cost side effects). A model is proposed, which leads to a...

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By means of a new type of production function - the WDI function – an examination has been made of the production structure in thirteen branches of Swedish manufacturing industry. The function used which is the same in all thirteen branches, allows for variable elasticity of substitution and...

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Entry of large ("big-box") stores along with a drastic fall in the number of stores are striking trends in retail. We use a dynamic model to measure the impact of large entrants on productivity, allowing for a controlled productivity process and accounting for prices, local markets, and the...

This paper shows that the R&D intensity of an industry plays an important role in determining international trade patterns via its e¤ect on scale economies. I first develop a model of trade with heterogeneous firms where firms compete with each other by spending on fixed product development...

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