Sharing is Caring? Actually, it's Just Contagious

Once upon a time (er, yesterday), we might have thought a character trait like generosity was something deeply ingrained by life experiences or even decided by a person’s genes.But research today in Current Biology suggests that a person’s propensity to share is highly dependent on one thing: how much the people around them – currently – are sharing.
A person’s generosity as recent as last year has no correlation to their generosity now.Scientists learned this while