“The most important book on government policy that I've read in a long time.”—David
Leonhardt, New York Times Even as they have become fabulously wealthy, the ultra-rich …

This article uses administrative tax data to estimate top wealth in the United States. We
assemble new data that link people to their sources of capital income and develop new …

This paper evaluates proposals for an annual wealth tax. While a dozen OECD countries
levied wealth taxes in the recent past, now only three retain them, with only Switzerland …

In this paper, we review the existing empirical evidence on how individuals respond to the
incentives created by a net wealth tax. Variation in the overall magnitude of behavioural …

This paper uses administrative tax data to estimate top wealth in the United States. We
assemble new data that links people to their sources of capital income and develop new …

We use administrative tax data from audits of self‐assessment tax returns to understand
what types individuals are most likely to be non‐compliant. Non‐compliance is common …

We introduce a new setting, optimize-and-estimate structured bandits. Here, a policy must
select a batch of arms, each characterized by its own context, that would allow it to both …

Wealth inequality has prompted calls for higher taxes on capital income and wealth but also
concerns that rich households would respond by concealing their assets offshore. We use a …

We study how a capital income tax and a wealth tax affect an investor's valuation of a
company's stock in an efficient international capital market. Using a one-period model, a …

Abstract Information about the share of total income held by the richest 1%, or other top
income groups, is increasingly used to discuss inequality levels and trends within and …