Why are some people wealth rich while others are poor? To what extent can governments affect inequality? Which instruments should they use? Answering these questions requires understanding why people save. Dynamic quantitative models of wealth inequality can help us to understand and quantify...

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...