In this Issue: Roles of competition policy and international cooperation in developing countries, in particular, in Portuguese-speaking African countries; Challenges parties face when having to access evidence in the scope of private enforcement of competition law; Collection of evidence by public enforcers in the context of administrative offences procedures, in particular, in the context of economic infringements; Economic impact of the recent increase in energy prices for consumers and for the security of supply; Challenges arising from the new EU regime for energy efficiency.