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This paper derives a three stage Cournot-oligopoly game for product innovation, expenditure on introducing the product and competition on the product market. Product innovation is assumed to increase consumer utility but is effective only if the innovating firm invests in marketing, so that...
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To examine cross-country diffusion of new products, marketing researchers have to rely on a multivariate product growth …
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We empirically investigate the existence of spatial autocorrelation between military dictatorships in Sub-Saharan Africa from 1977 through 2007. We apply a Bayesian SAR probit regression, extended to a pooled model. We find a robust and positive spatial autocorrelation coefficient, which shows a...
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We study the dynamics of usage intensity of second-generation cellular telephony over the diffusion curve. Specifically …, we address two questions: First, can we draw conclusions about the underlying drivers of technology diffusion by studying …
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