To reduce the competition from farmers who self-produce seed, an inbred line seed producer can switch to nondurable hybrid seed. In a two-period framework, we first investigate the impact of crop durability on self-production, pricing and switching decisions. Second, we study how the...

This paper analyses the economic consequences of labeling in a setting with two vertically related markets. Labeling on the downstream market affects upstream price competition through two effects: a differentiation effect and a ranking effect. The magnitude of these two effects determines who...

[eng] The influence of product diffusion and product differentiation on the dynamics of market share: . an application to the French market for seed maize . by Stéphane Lemarié . Empirical analysis of differentiated markets has been the subject of growing interest in the past ten years. Using...

This article analyses recent technological change in the agrochemical industry. Using the concept of technological trajectories developed by evolutionary economists, it examines the coherence between the different characteristics of the research process and its environment in this sector. A...

[fre] Une synthèse des analyses de la recherche et de l'innovation dans l'agriculture est proposée ici en mettant en parallèle les changements des secteurs agricoles et agro-alimentaires d'un coté, et l'évolution des analyses économiques de l'autre. Un premier ensemble de contributions,...

[eng] Competition problems in the seed and pesticide industries - The seed and pesticide sectors experienced major structural changes since the beginning of the 90's. This article shows that this evolution is determined, to a large extent by the development of the biotechnology, and that...

The existing literature on credence goods and expert services has overlooked the importance of risk aversion. In this paper we extend a standard expert model of credence goods with verifiable service quality by considering risk-averse consumers. Our results show that the presence of risk...