NBER Working Paper No. 23475
---- Acknowledgments ----
We thank Matilde Bombardini, Ethan Bueno de Mesquita, Hanna Halaburda, Jason Lyall, Thorsten Rogall, Oliver Vanden Eynde, and participants at the Defense and Security Economics Workshop for helpful comments. Members of the Asymmetric Warfare Group provided essential feedback. We also thank the Pearson Institute for the Study and Resolution of Global Conflicts for financial support and various government agencies for providing data. Eli Berman, Kyle Pizzey, and Jacob Shapiro are owed a particular debt of gratitude for their support of this and related projects. All errors remain our own. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.