We investigate the R&D portfolio of a monopolist investing in cost-reducing and quality enhancing R&D. Incentives along the two directions are inversely related to the size of market demand, and independent of each other. The stability analysis shows the existence of a unique stable steady state...

We investigate positional effects in a vertically differentiated duopoly, evaluated against the first best. Positional concerns distort the allocation of consumers across varieties, as well as the average quality. If the external effect is sufficiently relevant, the resulting welfare loss is...

We investigate the behavior of a monopolist supplying a vertically differentiated good with network externalities. Assuming a convex unit cost of quality improvements, we show that the presence of network externalities may yield oversupply of quality compared with the social optimum, when...

<marquage typemarq="gras"/> We investigate positional effects in a vertically differentiated duopoly, evaluated against the first best. Positional concerns distort the allocation of consumers across varieties, as well as the average quality. If the external effect is sufficiently relevant, the resulting welfare loss is...

Il microcredito è una delle forme della finanza etica. Per finanza etica intendiamo un uso delle risorse finanziarie che non considera solo le dimensioni standard dell’investimento finanziario (rischio e rendimento), ma anche le dimensioni sociali e morali dell’impiego, ovvero delle...