With more than 800 million active users on Facebook alone, the privacy issues raised by social networking sites are becoming increasingly important. Over the past few years, the information that users post to social media networks such as Facebook, LinkedIn, and Twitter has become the linchpin...

We study how job-seekers share information about jobs within their social network, and its implications for firms. We randomly increase the amount of competition for a job and find that job-seekers are: (i) less likely to share information about the job with their peers; and (ii) choose to...