trilemma
C1CEFR level
70/100Rarity: rare
TechnicalRegister
The impossibility of having a fixed exchange rate, free capital flows, and independent monetary policy at once.
Facing the trilemma, the central bank had to surrender either its peg or its rate autonomy.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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