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 contracts...

Philip II of Spain accumulated debts equivalent to 60% of GDP. He also failed to honor them four times. We ask what allowed the sovereign to borrow much while defaulting often. Earlier work emphasized either banker irrationality or the importance of sanctions. Using new archival data, we show...

The defaults of Philip II have attained mythical status as the origin of sovereign debt crises. We reassess the fiscal position of Habsburg Castile, deriving comprehensive estimates of revenue, debt, and expenditure from new archival data. The king’s debts were sustainable. Primary surpluses...

What sustained borrowing without third-party enforcement, in the early days of sovereign lending? Philip II of Spain accumulated towering debts while stopping all payments to his lenders four times. How could the sovereign borrow much and default often? We argue that bankers’ ability to cut...