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

This paper analyzes how market power can be measured in an industry characterized by significant technological progress. Using a Cournot’s oligopolistic framework with exogenous innovation and costly investment in new technology, It shows that the Lerner index and the Herfindahl-Hirschman...

The empirical relationship between competition intensity and the rate of productivity growth across 30 sectors of the French economy between 1978 and 2015 displays an inverted U-shape. This implies that there exists an optimal level of competition for each sector, defined by the price markup...

This paper addresses the empirical relationship between the level of competition and the rate of productivity growth across thirty sectors of the French production system during the period 1978-2015. It shows that there exists an optimal level of competition for each sector that is defined by...

This paper investigates the impact of technical progress on the relationship between competition an investment. The competition is measured as the degree of substitutability and technical progress enlarges the size of innovation in cost reduction. In a context of duopoly, technical progress...

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...

This paper investigates the relationship between technical progress, competition, and the impact on consumer's surplus and welfare. A Hotelling model in symmetrical duopoly with full market coverage is introduced. Firms invest in order to improve the quality of their offer and thus consumers'...