We quantify the size and tax-responsiveness of financial transfers made to heirs before death. The wealth of singles (including widows) with children declines substantially in anticipation of death. 92% of this decline is explained by transfers to children, while long-term care copayments can...

The evolution of large-scale cooperation among genetic strangers is a fundamental unanswered question in the social sciences. Behavioral economics has persuasively shown that so called "strong reciprocity" plays a key role in accounting for the endogenous enforcement of cooperation. Insofar as...