This is a set of two books that explores the mechanisms of social and human decision-making and cooperation from the perspectives of sociology and psychology (behavioral economics). Recommended for introductory studies, reports, and research, as well as for understanding business decision-making and organizations. ■ Set Contents ・ Toshio Yamagishi, "Social Dilemmas (From 'Environmental Destruction' to Bullying)" ・ Norio Tomono, "Behavioral Economics: The Economy Moves on 'Emotions'" ■ Condition Used books, so there is some wear and tear on the covers, dust jackets, and obi (wraparound bands), such as scratches and minor blemishes (please see the photos). Text: Readable without issue. * Writing/Underlining: None (please forgive any oversight) ■ Shipping Will be shipped with waterproof packaging via anonymous delivery. * Sold as a set; individual items cannot be sold separately.