Monetary policy aims at affecting corporate borrowing by influencing the marginal costs of firms, but its potency can be conditioned by the degree of market competition. We first identify conditions under which changes in marginal costs may have different effects on credit constraints and output...

We examine firms' preferences for product differentiation when a firm has a demand-side and/or a cost-side advantage over its competitor. We show that if the magnitude of these advantages is small, then both firms prefer more differentiated products. However, if the magnitude of demand-side...

Monetary policy aims at affecting corporate borrowing by influencing the marginal costs of firms, but its potency can be conditioned by the degree of market competition. We first identify conditions under which changes in marginal costs may have different effects on credit constraints and output...

In December 2020, new regulation of digital markets was proposed by European Commission. It specifically addresses main concerns raised by business behavior of operators of core services in their gatekeeping positions. However, voice assistants (or digital personal assistants, DPAs, e.g. Apple's...

There is not a day goes by without a passionate debate concerning Big Tech companies; while the main concern of governments seems to be related to social justice, a growing worry is associated with the consequences that large firms have on consumer welfare; nowadays these big entities engage in...

How should multilateral trade policy be designed in a world in which countries differ in terms of market access and technology, and firms with market power differ in terms of productivity? We answer this question in a model of monopolistic competition in which variable markups increasing in firm...

Facebook, Amazon, Netflix and Google, as well as Twitter – the FANG companies – have transformed society with both positive and negative effects. Soaring consumer access to information, news, social networks, and entertainment has been stimulated by the ever-more ubiquitous and falling...

This analysis introduces a theoretical framework for assessing the empirical discussion of asymmetric information amongst mortgage lenders and adds the idea of lender competition into this framework. Despite this addition, the results are generally consistent with existing empirical findings...

We consider licensing with a patent competition for a non-drastic process innovation among firms competing in a Cournot market. We study whether licensing improves social welfare, after taking rent dissipation into account. For licensing auction, welfare worsens for minor innovations and...