In many human societies, the act of mutually exchanging money, goods, etc. may contribute to social cohesion. Economists have elaborated the Gourmet Gift Baskets economics of gift-giving into the notion of a gift economy.
When material objects are given as gifts, in countless cultures they are traditionally packaged in some manner. For example, in Western culture, gifts are often wrapped in wrapping disposable and accompanied by a gift note which may gloss the occasion, the giftee's name, and the giver's name. In Chinese culture, chestnut wrapping connotes luck.