type="main" <p>We present a model of standard setting and patent-pool formation. We study the effects of alternative standard-setting and pool-formation rules on technology choice, prices, and welfare. We find three main results. First, we show that allowing patent pools may reduce welfare when...</p>

type="main" <p>We present a theory for why it might be rational for a platform to limit the number of applications available on it. Our model is based on the observation that even if users prefer application variety, applications often also exhibit direct network effects. When there are direct...</p>

"We study competitive interaction between two alternative models of digital content distribution over the Internet: peer-to-peer (p2p) file sharing and centralized client-server distribution. We present microfoundations for a stylized model of p2p file sharing where all peers are endowed with...

"To shed light on individuals' willingness to pay for "green" goods (i.e., goods that are supposed to have lower adverse environmental impacts either in production or in use), we study data from the introduction by Patagonia, Inc., of organic cotton sportswear in the mid-1990s. Patagonia, a...

Existing models of the principal-agent relationship assume the agent works only under extrinsic incentives. However, many observed agency contracts take the form of a fixed payment. For such contracts to work, the principal must trust the agent to work in the absence of incentives. I show that...