We analyze a two-sender quality-signaling game in a duopoly model where goods are horizontally and vertically differentiated. While locations are chosen under quality undertainty, firms choose prices and advertising expenditures being privately informed about their thpes. We show that pure price...

We analyse vertical contracts between manufacturers and a common retailer in a channel including the uptstream input market. The oligopsonistic behavior of manufacturers on the ustream market provides a new explanation for predatory accomodation. With two-parts tariff, we show that joint profit...

The relationship between collusion on the product market and the resulting impact on the labour market is ambiguous in non-union models. Considering a dual labour market with qualified and unqualified workers, and taking into account the efficiency effect when employing qualified workers allows...

This paper derives optimal regulatory schemes for partially regulated multimarket utilities, both in a context of complete and asymmetric information. The effects of this optimal price structure regulation on competition in the unregulated segment are explored in a context of Cournot and...