USD
USD is the U.S. dollar; it is a currency and global funding unit, while DXY is only one index that tracks the dollar against a specific basket.
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Why 1971 Did Not End Dollar Centrality
Ending official dollar-to-gold convertibility changed the legal anchor in 1971; it did not erase the installed global network of dollar use.
What it is
Dollar centrality persisted because international currency use also depends on network effects, market depth, institutions, existing contracts, reserve practice, and global banking activity.
Why it matters
Reserve-currency status is broader than a convertibility rule and can persist while institutions gradually diversify.
Example
Trade invoicing creates transaction demand, dollar liabilities create funding demand, reserves create demand for liquid dollar assets, and deep markets lower continued-use costs.
Common mistake
Assuming the end of Bretton Woods convertibility meant the dollar immediately stopped being central to global finance.
What to watch
- trade invoicing
- dollar funding
- official reserves
- market depth
- global banking networks
Key takeaway
1971 changed the anchor; network effects and financial infrastructure helped preserve dollar centrality.
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Related cards
Sources
USD Impact Book lesson · International Monetary Fund · Bank for International Settlements · Federal Reserve Board
Educational and informational purposes only. Not investment advice.