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Effet irréversibilité et information endogène. Application à la dissémination d'organismes génétiquement modifiés

  • Christophe Charlier

[fre] L'effet irréversibilité est traditionnellement mis en évidence en univers incer­tain où, quelle que soit l'attitude du décideur, l'information sur la profitabilité du projet irréversible augmente au cours du temps. Dans cet article, il est supposé, au contraire, que l'engagement irréversible est un passage obligé pour disposer dans le futur d'une information supplémentaire. On montre alors dans un tel con­texte que l'effet irréversibilité peut ne pas exister pour certaines valeurs de l'échelle de l'engagement irréversible. Nous illustrons ensuite ce point avec un exemple ayant trait à la dissémination volontaire d'organismes génétiquement modifiés. [eng] The irreversibility effect is traditionally presented in a context of uncertainty in which, whatever the behaviour of the decision maker is, the information concer­ning the profitability of the irreversible project is growing as the time goes. In this article on the contrary it is supposed that only an irreversible commitment allows the decision maker to catch new information. In this context we show that the lost of the irreversibility effect is possible. Then, we illustrate this point with the help of an example considering the release of genetically modified organisms.

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Article provided by Programme National Persée in its journal Revue économique.

Volume (Year): 48 (1997)
Issue (Month): 1 ()
Pages: 93-105

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Handle: RePEc:prs:reveco:reco_0035-2764_1997_num_48_1_409865
Note: DOI:10.2307/3502754
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