The thirteenth century was an era of bold constitutional experiments in Europe. During this age, for the first time in history, fiscal constitutions, i.e., limits on the fiscal prerogatives of the state, emerged. In Portugal, this manifested itself as a monetary constitution that prevented the...

I provide a structured comparison of the nineteenth-century classical gold standard and the Euro, basing my analysis heavily on recent research. Both similarities and differences are evident in the historical record. Both regimes were vaunted as engines of convergence, but in both cases...