1. Collective Action in the Twenty-First Century, a new book
2. "Dynamic Panel Analysis of Terrorism and Growth", with Donggyu Sul and Khusrav Gaibulloev
3. New paper on Terrorist Group Survival with Khusrav Gaibulloev
4. Nato Burden Sharing after 2000 with Hirofumi Shimizu.
5. Hostage-Taking Terrorism 1978-2010 with Charlinda Santifort
6. Counterterrorism Trade-offs from the Supply Side