Major bubble episodes are rare events. In this paper, we examine what factors might cause some asset price bubbles to become very large. We recreate, in a laboratory setting, some of the specific institutional features investors in the South Sea Company faced in 1720. Several factors have been...

Contingent sovereign debt has the potential to create important welfare gains – but actual issuance is rare. Using hand-collected archival data, we examine the first known case of large-scale issuance of contingent sovereign debt in history. Philip II of Spain entered into hundreds of...