This paper presents a two-player, psychological game-theoretic model of gift giving where emotions matter. Beliefs enter directly into players’ payoff functions. Surprise, disappointment, embarrassment and pride arise from comparing players’ beliefs about the gift they will give or receive to the actual choice of gift. Depending on beliefs and the cost of the gift, a gift-giving, a non-gift-giv...

In this paper, we investigate how social comparison information about referent others (i.e., learning what similar others do, and how they are treated) affects reciprocal relationships. Using three-person gift-exchange games, we study how employees’ reciprocity towards an employer is affected by pay comparison information (what co-workers earn) and effort comparison information (how co-workers ...

A scientifically approved psychological finding of gift is usually not available to all schools. In order to obtain an accurate and early detection of mathematically gifted children, an intelligent expert system MathGift is proposed to assist teachers in making decision about a child's gift in mathematics in the fourth grade of elementary school. Besides mathematical competencies, the system in...

Giving gifts is a fundamental part of human relationships that is being affected by technology. The Internet enables people to give at the last minute and over long distances, and to observe friends giving and receiving gifts. How online gift giving spreads in social networks is therefore important to understand. We examine 1.5 million gift exchanges on Facebook and show that receiving a gift c...

ing from the sentimental value of the gift: If you would not have received the gift, how much would you be willing to pay to obtain it? In two other versions of the survey, to obtain a measure of their WTA, we asked the students instead Abstracting the sentimental value of the gift: How much would somebody have to pay you to induce you giving the gift away?ing the sentimental value of the gift:...

Interpersonal relationships are essential to well-being, and gifts are often given to cultivate these relationships. To inform gift givers of what to give and to gain insight into the connecting function of gifts, this research investigates what type of gift is better at strengthening relationships according to gift recipients—material gifts (objects for recipients to keep) or experiential gift...

The Creativity Bento Box is a physical resource pack, designed to support casual social interaction and break taking in an intensive, computer-mediated social activity. It was developed within the Creativity Greenhouse project, which piloted a mechanism to create research proposals and distribute funding at a distance. This involved facilitated phases of collaboration and competition over multi...

Developing intelligent tutoring systems that respond effectively to trainee or student affect is a key part of education, particularly in domains where learning to regulate one’s emotion is key. Effective affect response relies upon effective affect detection. This paper discusses an upcoming cooperative study between the Army Research Laboratory, Teachers College, Columbia University, and Nort...