Friends - they are generous and cooperative with each other in ways that appear to defy standard evolutionary expectations, frequently sacrificing for one another without concern for past behaviors or future consequences. In this fascinating multidisciplinary study, Daniel J. Hruschka synthesizes an array of cross-cultural, experimental, and ethnographic data to understand the broad meaning of friendship, how it develops, how it interfaces with kinship and romantic relationships, and how it differs from place to place. Hruschka argues that friendship is a special form of reciprocal altruism based not on tit-for-tat accounting or forward-looking rationality, but rather on mutual goodwill that is built up along the way in human relationships.

About the Author
Daniel J. Hruschka is an Assistant Professor in the Arizona State University's School of Human Evolution and Social Change.


Book Information
ISBN 9780520265479
Author Daniel J. Hruschka
Format Paperback
Page Count 400
Imprint University of California Press
Publisher University of California Press
Weight(grams) 544g
Dimensions(mm) 229mm * 152mm * 23mm