This article explores subjects in optimal income taxation characterized by recent research interest, practical importance in light of concerns about inequality, potential for misunderstanding, and prospects for advancement. Throughout, the analysis highlights paths for further investigation....

We examine the combined effects of popularity and feelings of being important to reaching a goal by testing how people react to situations in which their own behavior is pivotal or not, as well as the popularity of the action. We conduct a laboratory experiment to cleanly fix beliefs about the...

Microgiving, a new form of digital fundraising, operates by soliciting minuscule, recurring donations from large numbers of potential donors. We evaluate a charity subscription program operated by Alibaba, China's largest retail platform, which allows sellers to pledge a tiny portion of a...

The philanthropic sector is highly consequential, particularly in the United States, and the most important policies directed toward this sector are tax policies. Yet most economic analysis of the optimal tax treatment of charitable giving is ad hoc, treating it as a subject unto itself. This...

This paper uses the responses to questions about charitable contributions from the Survey of Consumer Finances (SCF) between 1992 and 2022 to consider the rates of US households contributing money or time to charitable organizations. The fraction donating $500 or more remained relatively...

This essay discusses the reasons for and implications of the decline in real interest rates around the world over the past several decades. It suggests that the decline in interest rates is largely explicable from trends in saving, growth, and markups. In this environment, greater government...

Entitlement programs have become an increasing component of total government spending in the US over the last six decades. To some observers, this growth of the welfare state is excessive and unwarranted. To others, it is a welcome counter-acting force to the rapid increase in income inequality....

We use detailed data from Indonesian cities to study how variation in density within urban areas affects social capital. For identification, we instrument density with soil characteristics, and control for community averages of observed characteristics. Under plausible assumptions, these...

This paper introduces a new measure of the labor markets served by colleges and universities across the United States. About 50 percent of recent college graduates are living and working in the metro area nearest the institution they attended, with this figure climbing to 67 percent in-state....

Blended finance---the use of public and philanthropic funding to crowd in private capital---is a potential way to finance a more sustainable world. While blended finance holds the promise of being catalytic in mobilizing vast amounts of private capital, little is known about this practice. In...