Using experimental auctions carried out on apples in different European countries, this paper contributes to the assessment of consumer willingness to pay for the reduction of pesticides. We study several systems of good agricultural practices, possibly signalled to consumers, ranging from...

The use of labels on fresh fruits have significantly influenced and transformed the fresh produce market over the last decade. While it is well-known from the literature that food labels notably shape consumers' choices and consequently their willingness to pay (WTP) incremental premiums for...

Until recently, fresh fruits such as pears were provided to markets as generic products. However, these products are now differentiated by cultivars, origins and appearances, as well as by companies production and processing methods. Therefore, we observe a lot of denominations of origin,...

We consider one retailer and two manufacturers that have private information about demand characteristics. To ensure truthful revelation, the retailer provides one of the suppliers, i.e. category captain, with a rst-mover advantage in the negotiations. After the negotiation with the retailer is...

L'article propose d'associer la certification d'origine à une barrière non tarifaire dans les échanges internationaux. En effet, la certification d'origine se traduit souvent à la fois par une restriction quantitative et par une subvention implicite de la qualité. On considère le modèle...

We analyze coalition formation with heterogeneous agents based on an individual stability concept. Defining exchanging and refractory agents, we give existence and enlargement conditions for coalitions with heterogeneous agents. Using the concept of exchanging agents we give necessary conditions...

We study the interaction in the Champagne wine producer/distributor relationship between the commitment of the producer to commercialization of a low quality wine and the high quality adjustment of the distributor. We show that this commitment can allow the producer to acquire all the pro t of...

The paper gives a proof of the existence and the uniqueness of price equilibrium in a multi-product, multi-firm competition framework. It illustrates how the price levels depends on the inter-brand portfolio substitution and on the intra-brand portfolio substitution.

The paper investigates whether the premium consumers are willing to pay for an eco-labelled product is driven by selfish or altruistic motives. Using an incentive-compatible experiment with both a within- and a between-subject design, we study the effect on this premium of information stating...