Covered interest parity verges on a physical law in international finance. And yet it has been systematically violated since the Great Financial Crisis. Especially puzzling have been the violations since 2014, even once banks had strengthened their balance sheets and regained easy access to...

We examine in a unified framework three recent perspectives on country risk: debt intolerance, original sin, and currency mismatches. We find statistical evidence supporting aspects of all three, though the strength of that support varies considerably across hypotheses and a number of open...