Reciprocal cooperation can be studied in the Centipede game, in which two players alternate in choosing between a … investigated cooperation in four Centipede games differing in their payoffs at the game's end (positive versus zero) and payoff … high payoff inequality were found to reduce cooperation significantly. Contrary to previous predictions, combining these …

-Stay-Lose-Shift, are not prevalent. We also find that the strategies used to support cooperation change with the parameters of the game …

can promote cooperation through a combination of sorting and opportunistic signaling, with late period defections by … remains unclear. In each of six treatments that vary the cooperation premium and the informational basis for reputation …, that with a high cooperation premium and good information, investment in reputation grows across sets of finitely …

opportunity for profitable cooperation. Our experimental method creates two groups of subjects who are similar but have different … long-run losses. Initially similar, cooperation rates for groups with different intelligence levels diverge, declining in … groups of lower intelligence, and increasing to reach almost full cooperation levels in groups of higher intelligence …

initial cooperation rates are similar, it increases in the groups with higher intelligence to reach almost full cooperation … differences in the response to past cooperation of the partner. In higher intelligence subjects, cooperation after the initial … difference is absent. Cooperation of higher intelligence subjects is payoff sensitive, thus not automatic: in a treatment with …

hampers cooperation, as higher intelligence players are less cooperative once they are made aware that they play against …

BoS, with high and low payoff inequality. In PD, disclosure markedly hampers cooperation, as higher intelligence players …