Trump's weaponisation of the dollar could threaten its dominance | Jeffrey Frankel

Descriptions of exchange-rate policies have become increasingly militaristic

The language of international monetary policy has turned militaristic. The phrase "currency war" has been popular for a decade and the US government's more recent "weaponisation" of the dollar is generating controversy. But ironically, a martial approach could end up threatening the US currency's global dominance.

This is a good time to gauge the relative strengths of the dollar and rival international currencies (meaning currencies that are used outside their home countries). In September the Bank for International Settlements released its triennial survey of turnover in global foreign-exchange markets. The International Monetary Fund's statistics on central-bank holdings of foreign-exchange reserves have become much more reliable since China began reporting its holdings. And the Swift payments system issues monthly data on the use of major currencies in international transactions.

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