A necessary condition for justifying a policy such as publicly provided or subsidized low-income housing is that it has a real effect on recipients' outcomes. In this paper, we examine one aspect of the real effect of public or subsidized housing -- does it increase the housing stock? If...

We study the tendency to connect to the Internet, and the online and offline shopping behavior of connected persons, to draw inferences about whether the Internet is a substitute or a complement for cities. We document that larger markets have more locally-targeted online content and that...

"Recent technological changes may have altered the balance between technology and copyright law for digital products. While file-sharing has reduced revenue, other technological changes have reduced the costs of bringing creative works to market. As a result, we don't know whether the effective...