by David Harbord and Nils-Henrik von der Fehr, 24 July 2016. Posted byDavid Harbord July 25, 2016 0 Share: Comment on Ghang and Nowak’s “Indirect reciprocity with optional interactions”&body=https://www.market-analysis.co.uk/comment-on-ghang-and-nowak-indirect-reciprocity-with-optional-interactions-2/" title="Share by Email"> Related Articles “Barriers to Entry and Exit in European Competition Policy” “Efectos de la Reduccion de Tarifas de Terminacion Movil en el Bienestar en el Mercado de las Telecomunicaciones de Mexico” “The Airtours Case: Collective Dominance and Implicit Collusion in European Merger Analysis” “Spot Market Competition in the UK Electricity Industry” CREG Energy Market Panel: The Evolution of Electricity Market Regulation in Colombia A comment on Ghang and Nowak’s “Indirect reciprocity with optional interactions”