We establish currency as an important factor shaping global portfolios. Using a new security-level dataset, we demonstrate that investor holdings are biased toward their own currencies to such an extent that countries typically hold most of the foreign debt securities denominated in their...

The modern notion of an international currency involves use in areas of international finance and trade that extend well beyond central banks' coffers. In addition to their important roles as foreign exchange reserves, international currencies are most frequently used to denominate corporate and...

We establish that global portfolios are driven by an often neglected aspect: the currency of denomination of assets. Using a dataset of $27 trillion in security-level investment positions, we demonstrate that investor holdings are biased toward their own currencies to such an extent that each...

The modern notion of an international currency involves use in areas of international finance and trade that extend well beyond central banks' coffers. In addition to their important roles as foreign exchange reserves, international currencies are most frequently used to denominate corporate and...

We propose a simple model of the international monetary system. We study the world supply and demand for reserve assets denominated in different currencies under a variety of scenarios: a Hegemon vs. a multipolar world; abundant vs. scarce reserve assets; a gold exchange standard vs. a floating...