This study investigates persistence (or hysteresis) in weapons using a panel of 163 countries for the period 2010 to 2015. The following are some main findings. (i) Compared to countries that are landlocked, persistence in heavy weapons is more apparent in nations that are open to the sea. (ii)...

What determines whether countries pursue and obtain armed drones? Using an original time-series dataset, we conduct the first comprehensive analysis of armed drone proliferation from 1994-2019. We theorize and find evidence that security threats––like terrorism––are not the only factors...