type="main" xml:lang="en" <title type="main">Abstract</title> <p>Contrary to theoretical predictions, empirical evidence shows that an increase in trade liberalization causes an increase in foreign direct investment. We propose an explanation for this apparent puzzle by exploiting Dastidar's approach, which delivers a...</p>

We modify the vertically differentiated duopoly model by André et al. (2009) replacing Bertrand with Cournot behaviour, and we characterise the region wherein a Porter-type result takes place. We show that the Porter hypothesis applies in an equilibrium taking always the form of a prisoner's...

We investigate the introduction of a minimum quality standard in a vertically differentiated duopoly where production is polluting. We examine the alternative frameworks with quality-dependent fixed or variable costs, under both price and quantity competition. Under Bertrand behaviour, the...

We model a vertically differentiated duopoly with quantity-setting firms as an extended game in which firms noncooperatively choose the timing of moves at the quality stage, to show that at the subgame, perfect equilibrium sequential play obtains, with the low-quality firm taking the leader’s...

In the last few years the superstar phenomenon has found wide circulation, thus increasing the number of people who earn massive incomes thanks to their work. The main aim of this article is to examine the various hypotheses advanced to explain the phenomenon: they can be identified with three...