experimental helping game. Games (con &hate 67:399-407. 5. Mcquet ), Revert C, Traulsen A, Milins1/41 M (2011) Shame and honour drive cooper- ation. Biel Lett 7:899-901. Hilbe et el. 9NAS Latest Articles I 5 of 6 EFTA00803982 6. Ohtsuki µ Masa Y, Nowak MA (2015) Reputation effects in public and private