How does scarcity affect individual willingness to share and willingness to enforce sharing from others? Sharing in poor communities gains importance as an insurance mechanism during adverse shocks, yet shocks make it costlier to share. I conducted repeated economic experiments in both a lean...

The veterans disability compensation (VDC) program, which provides a monthly stipend to disabled veterans, is the third largest American disability insurance program. Since the late 1990s, VDC growth has been driven primarily by an increase in claims from Vietnam veterans, raising concerns about...

We discuss the impacts of the Russian invasion on Ukrainian science. Using newly collected data, we show that the war has already had significant effects on science in Ukraine: research papers produced by Ukrainian scientists declined by about 10%, approximately 5% of the most prolific...

What can be done to reduce the likelihood of future wars? While states’ decisions that bear on war are ultimately made by their political leaders, strengthening ordinary citizens’ control of those leaders is vital to reduce the risk of future wars. This thesis can be broken down into two...