How do decentralized systems collectively solve problems? Here we explore the interplay among three canonical forms of collective organization - markets, networks, and hierarchies - in aggregating decentralized problem solving. We examine these constructs in the context of how the offices of...

If ignored, non-compliance with a treatment and nonresponse on outcome measures can bias estimates of treatment effects in a randomized experiment. To identify treatment effects in the case where compliance and response are conditioned on subjects' unobserved compliance type, we propose the...

What are the ripple effects from structured deliberation sessions? To better understand the potential aggregate consequences of these (somewhat limited) opportunities, we focus on the social networks of participants, looking for the informational consequences of second-hand exposure. We report...

Interest in deliberative theories of democracy has grown tremendously among political theorists over the last twenty years. Many scholars in political behavior, however, are skeptical that it is a practically viable theory, even on its own terms. They argue (inter alia) that most people dislike...

Do legislators learn to use new communication technologies from each other? Using data from the official homepages of members of the U.S. House of Representatives, we test whether web-based communication technology diffuses through congressional state delegations. We use a natural experimental...