Our study investigates how the devastating 2020-2022 Tigray War has affected the social preferences, reciprocity norms, and trust in a large sample of rural young adults in Tigray, Ethiopia, belonging to rural business groups. We rely on field experimental data with standardized incentivized...

Several models of social preferences have been developed at the intersection of social psychology and behavioral economics, such as social value orientation (SVO) and conditional cooperation. Whereas SVO is well researched in its dispositional and situational correlates, we aim to locate...

We study procedures that embed clauses granting agents the right to oppose actions that are not in their interest, retract actions that face opposition, and punish harmful actions. Our analyses show that coalitional strategic behaviors under these procedures lead to reciprocal actions. We then...

Despite growing interest in leadership in the experimental literature, limited attention has been given to the theoretical analyses of leadership. This paper investigates the effectiveness of leading by example in public goods games among reciprocal agents. The ``leading-by-example'' (LBE) game...

We experimentally study how (un)selfish lies are reciprocated—or not—in subsequent economic interactions in a labor market. The experiment was conducted in two sequential stages, where the first stage was a deception game, and the second stage was a gift-exchange game. We find that while...

This paper provides an analytical model to study the co-evolution of trust and trustworthiness in a game-theoretic framework. Trust reflects an agent’s belief that other agents cooperate in a two-stage prisoner’s dilemma game. Altruist agents receive a utility from their opponents’...