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Description:
This paper deals with innovative activities of firms, the resulting market success as well as the interdependencies between both. In a first theoretical part, different cases of those interdependencies are investigated by the way of a simple model based on replicator dynamics. It is shown that the resulting differential success (in those activities) of firms in a market leads to specific characteristic pattern of industry dynamics. The second empirical part of the paper is used to get an account of the working of replicator dynamics mechanism within German manufacturing. Doing so changes in firms´ market shares and the relation to their respective relative technological performance and to their or innovative performance are investigated with productivity levels as a proxy for technological performance and productivity changes as proxy for innovative performance.