Not-for-profit organizations play a critical role in the American economy. In health care, education, culture, and religion, we trust not-for-profit firms to serve the interests of their donors, customers, employees, and society at large. We know that such firms don't try to maximize profits,...

Warfare is enormously destructive, and yet countries regularly initiate armed conflict against one another. Even more surprisingly, wars are often quite popular with citizens who stand to gain little materially and may lose much more. This paper presents a model of warfare as the result of...

Economists are quick to assume opportunistic behavior in almost every walk of life other than our own. Our empirical methods are based on assumptions of human behavior that would not pass muster in any of our models. The solution to this problem is not to expect a mass renunciation of data...

Prospect theory, loss aversion, mental accounts, hyperbolic discounting, cues, and the endowment effect can all be seen as examples of situationalism - the view that people isolate decisions and overweight immediate aspects of the situation relative to longer term concerns. But outside of the...

The three largest cities in colonial America remain at the core of three of America's largest metropolitan areas today. This paper asks how Boston has been able to survive despite repeated periods of crisis and decline. Boston has reinvented itself three times: in the early 19th century as the...

The 1990s were an unusually good decade for the largest American cities and, in particular, for the cities of the Midwest. However, fundamentally urban growth in the 1990s looked extremely similar to urban growth during prior post-war decades. The growth of cities was determined by three main...

Housing markets experience substantial price volatility, short term price change momentum and mean reversion of prices over the long run. Together these features, particularly at their most extreme, produce the classic shape of an asset bubble. In this paper, we review the stylized facts of...

New, “big” data sources allow measurement of city characteristics and outcome variables higher frequencies and finer geographic scales than ever before. However, big data will not solve large urban social science questions on its own. Big data has the most value for the study of cities when...