In Ivory Coast, the plantain sector is insufficiently organized. Is it due to the selfish behaviour of its agents? A field study was conducted to compare this sector with the sweet banana. The degree of altruism was measured via a repeated public good game. Agents of plantain appear more cooperative than their counterparts in sweet banana. The lack of organisation is rather due to the market conditions than to selfish behaviour. These agents are willing to coordinate their activities, but they some favourable conditions
