Negotiations are ubiquitous in business, politics, and private life. In many cases their outcome is of great importance. Yet, negotiators frequently act irrationally and fail to reach mutually beneficial agreements. Cognitive biases like overconfidence, egocentrism, and the mythical fixed pie...

Social dilemmas are among the most puzzling issues in the biological and social sciences. Extensive theoretical efforts have been made in various realms such as economics, biology, mathematics, and even physics to figure out solution mechanisms to the dilemma in recent decades. Although...

Paying it forward" is a behavior in which people help someone else because they were helped in the past. Although experimental evidence exists that indicates that real human beings often "pay-it-forward" even in the face of free-rider risks, the theoretical basis for the evolution of this...