How have the most influential political economists of the past three centuries theorized about sovereign borrowing and shaped its now widespread use? That important question receives a comprehensive answer in this original work, featuring careful textual analysis and illuminating exhibits of public debt empirics since 1700. Beyond its value as a definitive, authoritative history of thought on public debt, this book rehabilitates and reintroduces a realist perspective into a contemporary debate now heavily dominated by pessimists and optimists alike.