Information exchange with cost uncertainty: an alternative approach and new results

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Dokumentart: WorkingPaper
Date: 2004
Source: Tübinger Diskussionsbeiträge der Wirtschaftswissenschaftlichen Fakultät ; 240
Language: English
Faculty: 6 Wirtschafts- und Sozialwissenschaftliche Fakultät
Department: Wirtschaftswissenschaften
DDC Classifikation: 330 - Economics
Keywords: Informationsaustausch
Other Keywords:
information sharing , cost uncertainty , oligopoly
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This paper further develops the standard modelling of information exchange between firms in the presence of cost uncertainty. In order to avoid consistency problems, we replace the normal distribution of the random variables, commonly used because of its convenient mathematical properties, by an alternative one, namely a non-symmetrically distributed random variable with a binomial positive outcome. This leads to new results concerning firms' information-disclosure policy: Confirming the empirical evidence and in contrast to the existing literature, we show that in Cournot markets firms never exchange their private information and in Bertrand markets only for very steep demand functions.

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