This paper investigates the impact of technical progress on the relationship between competition an investment. Using a model of oligopoly competition with differentiated products where firms invest to reduce their marginal cost of production, I find that technical progress, which increases the...

In this paper, we address the issue of the appropriate market structure in European mobile markets by presenting empirical evidence on the effect of the number of MNO on investment. Using a structural entry model based on a country-level dataset of 28 European countries, we find that, in average...

When firms use advertising to differentiate their products and increase consumer appreciation of their products, the strategy, i.e., price or quantity, depends on the degree of product differentiation and the magnitude of advertising costs. If advertising costs in Bertrand competition are very...