This paper studies the effect on company performance of appointing non-executive directors that are also executive directors in other firms. The analysis is based on a new panel dataset of UK companies over 2002-2008. Our findings suggest a positive relationship between the presence of these...

This paper studies the incidence, determinants and pricing of unprotected oral sex in the London sex services market. The analysis is based upon matched sex worker-client panel data, which were collected from "field reports" on PunterNet.com website over the 1999-2009 time period. We find a...

This paper studies information diffusion in social media and the role of bots in shaping public opinions. Using Twitter data on the 2016 E.U. Referendum (“Brexit”) and the 2016 U.S. Presidential Election, we find that diffusion of information on Twitter is largely complete within 1-2 hours....

Using a unique dataset of daily U.S. and U.K. price listings and the associated number of clicks for precisely defined goods from a major shopping platform, we shed new light on how prices are set in online markets, which have a number of special properties such as low search costs, low costs of...

Using a unique dataset of daily U.S. and U.K. price listings and the associated number of clicks for precisely defined goods from a major shopping platform, this paper explores how prices are set in online markets, which have a number of special properties such as low search costs, low costs of...