In a simple economic setting with asymmetric information we compare different social insti- tutions which fight against industry cartels on prices. Firstly, we analyse the case where an Antitrust Authority is created and we distinguish two situations depending whether the agency has the...

According to directives 2003/30/EC and 2009/28/EC of the European Parliament and the Council, Member States should promote the use of biofuel. Consequently, since 2011 all fuels on the market used for transport purpose must contain a fraction of 5.75% renewable energy sources. Ethanol in...