The happiness that comes from a product upgrade may not last very long, particularly if it satisfies a want rather than a need.
Uncertain incentives can be more effective than certain incentives, even if the uncertain incentives are objectively less.
By creating a momentary uncertainty, a marketer or advertiser can more effectively deliver information to a prospective customer.
Abundance does not equate to happiness, according to research. Here’s how to convert wealth into satisfaction.