Fortnite is the most successful video game in terms of revenues generated. Since it belongs to the 'free-to-play games', the company has to optimize the in-game-shop to generate revenues. Product dif- ferentiation is one possibility to optimize the profitability of the game. In this paper, we...

Collaboration among sizeable competitors is usually considered to be harmful to social welfare while competition among such competitors is perceived the better, or even best, mode of operation. We examine industries where the goods produced are homogeneous and producers employ advertising in...

The literature on product differentiation predicts that firms are likely to differentiate their products in order to relax price competition. We tested this theoretical result in a laboratory setting, by organizing twenty-four markets where products were offered with different quality levels. We...

This paper studies the effectiveness, competition structure and welfare effect of the tariff imposed on imported cars in China's automobile market. Our empirical findings suggest that the tariff cannot switch entire demand for imported cars to domestic cars: the tariff decreases sales of...