Two farmers share access to a common groundwater source for irrigation. In a single growing season, if both farmers conserve water, the aquifer remains stable, and they both achieve a good harvest. If one farmer overuses water while the other conserves, the overusing farmer gets a bumper crop that year, while the conserving farmer's crop suffers, and the aquifer is depleted. If both overuse water, the aquifer is severely depleted, and both farmers have poor harvests. Despite the absence of a formal governing body to enforce water limits, both farmers consistently practice conservation. According to a game-theoretic model that incorporates social preferences, which of the following best explains this cooperative outcome?

Comparing Explanatory Models for Cooperation

Analyzing Cooperation in a Community Fishery

In a game-theoretic model incorporating social preferences, the primary reason individuals might choose to cooperate in a one-time interaction over a shared resource is their calculation that cooperation will lead to reciprocal benefits in future, separate interactions.

Contrasting Game-Theoretic Predictions

Match each behavioral motivation for cooperation in a shared resource scenario with the game-theoretic model that best explains it.

The Role of Trust in Cooperation

Evaluating Water Conservation Strategies

Designing a Cooperative System for a Shared Resource

In game-theoretic models designed to explain cooperation in managing shared resources, the inclusion of non-selfish motivations such as trust, fairness, and a willingness to reciprocate is collectively referred to as incorporating ____.