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 “The BAT/Protabaco Merger: Unilateral Effects, Tacit Collusion and Multimarket Oligopoly” “Mis-Designing the UK Electricity Market” On the Enforcement of Trade Embargoes by the Merchant Guilds “Efectos de la Reduccion de Tarifas de Terminacion Movil en el Bienestar en el Mercado de las Telecomunicaciones de Mexico” CREG Energy Market Panel: The Evolution of Electricity Market Regulation in Colombia A comment on Ghang and Nowak’s “Indirect reciprocity with optional interactions”