Purpose – The purpose of this paper is to model a credit card market where the retailers may charge differential prices depending on the instrument of payment used by the consumer. According to the research agenda proposed by Rochet and Wright (2010), the authors find conditions for the...

Purpose: The purpose of this paper is to propose a new methodology to assess the economic and social impacts of policies to promote mass access to the internet in fixed broadband. The authors apply the methodology to the Brazilian broadband market. Design/methodology/approach: For this purpose,...