We examine the effects of digital access on the prevalence of democracy and its diffusion via trade, geographical and migration networks across 189 countries between 2000 and 2010. We find that different digital technologies may have varying impacts on freedom while affecting its diffusion via...

We study the spread of exogenous demand shocks generated by book reviews featured on the Oprah Winfrey TV show and published in the New York Times through the online co-purchase recommendation network on Amazon.com. We leverage the co-purchase recommendation network on Amazon.com to determine...

The purpose of this document is to respond to selected questions for comment on the proposed framework in the FTC report 'Protecting Consumer Privacy in an Era of Rapid Change: A Proposed Framework for Businesses and Policymakers' (December 1st, 2010). Our responses are based on our ongoing...