Human decision making often seems to be determined by the resolution of intrapersonal conflict. This paper conceptualizes the analysis of decisions governed by such dual self processes in individual decision contexts and strategic interactions. For this purpose, we define the solution concept...

Understanding disparities in contest success is central to explaining how competition shapes the distribution of rewards, influence, or market shares. We introduce the Proportional Play Equilibrium (PPE), a boundedly rational alternative to Nash Equilibrium (NE) grounded in the Illusion of...

Anchoring is a robust behavioral phenomenon modeled predominantly as a bias in individual judgment. We propose a game-theoretic model that considers players’ beliefs about others’ behavior as a mediator for the effect of the anchor on a player’s choice. The results establish that anchoring...

In human societies, overcoming incentives to act selfishly is immensely important so as to promote prosocial behaviours. Social norms and relational utility, utility generated by such feelings as guilt, are mechanisms by which cooperation and coordination can be facilitated. Here we add...

Many everyday activities are habitual. Among the most common human activities is communication. If people primarily communicate in a common-interests environment, they may form habits of truth-telling and believing messages. If they primarily communicate in a conflicting-interests environment,...

Humans are social animals but sometimes stay alone. The paper investigates the connection between an intraperson game and an interperson interaction. Motivated beliefs supplied from memory management due to present bias in the individual investment problem give rise to a positive spillover on...

This paper tries to formalize psychological insights with a game-theory approach and offer new thinking about rationality, emotions and heuristics. Within a new theory of individual subjectivity, I propose a model of Inner Games to embody individual’s beliefs about relationships in the form of...

In this paper, we hypothesize that the strength of the consensus effect, i.e., the tendency for people to overweight the prevalence of their own values and preferences when forming beliefs about others' values and preferences, depends on the salience of own preferences. We manipulate salience by...

The Theory of Dyadic Morality (TDM; Schein and Gray (2018)) posits that immorality judgments emerge from norm violations, harm perceptions, and negative affect. We test this core prediction in an applied setting: voluntary payment settings, such as the Pay-What-You-Want mechanism. In our study,...

In prosocial decisions, decision-makers are inherently uncertain about how their decisions impact others' utility - we call this interpersonal uncertainty. We show that people's response to interpersonal uncertainty shapes well-known patterns of prosocial behavior. First, using standard social...