In 1993 Joel Waldfogel published a paper “The Deadweight Loss of Christmas” in which he declared that the tradition of gift-giving causes economic losses for society because recipients generally value the items they receive as gifts less than the price that was paid by the givers. The source of this inefficiency is caused by the fact that the buyer is not the final consumer of a good and thus there may be a mismatch between the giver’s and the receiver’s preferences. Waldfogel’s study showed that gifts from friends and other people very close to the reci...